The five hottest Caribbean cruise destinations

A Caribbean cruise is a dream destination for many, and it’s easy to see why. With postcard-perfect beaches, shimmering turquoise waters, and endless sunshine, the region promises an unforgettable escape. Whether you’re an adventure seeker, a culture enthusiast, or simply looking to unwind, the Caribbean offers something for everyone. In this guide, we dive into the Caribbean islands with the hottest temperatures, uncover their unique charm, and provide a month-by-month breakdown of the best weather to help you plan your ultimate sun-soaked getaway.

Some of the Caribbean's warmest islands, known for their consistently high temperatures, include Grenada, St. Lucia, Barbados, Antigua, and Trinidad & Tobago. Here, we take a closer look at the weather in these sun-soaked destinations.

Grenada, with its pristine sandy beaches and stunning natural landscapes, is a haven for those seeking to immerse themselves in the beauty of the outdoors. Known as the "Spice Isle," this enchanting island is famous for its rich abundance of aromatic spices, including cinnamon, nutmeg, mace, clove, bay leaf, turmeric, and ginger, which fill the air with their warm, inviting fragrance. 

The ideal time to visit Grenada depends on what you’re looking to experience. For sun-drenched days and refreshing breezes, Grenada's dry season, which typically runs from December to May, offers idyllic weather conditions with minimal rainfall and warm temperatures. For those seeking vibrant cultural celebrations, visiting during Spicemas, Grenada's electrifying carnival season, is a must. Held in August, this lively event features energetic concerts, street parties, and colourful parades. Meanwhile, the wet season, spanning June to November, brings increased rainfall that nourishes the island’s lush greenery and occasional tropical downpours.

January is a popular time to visit Grenada, with long, sunny days and pleasantly warm temperatures. Daytime highs can reach 29°C, while the evenings bring comfortable lows of around 21°C, making it the perfect winter getaway.

February falls within Grenada's dry season, offering ample sunshine, comfortably warm temperatures, and minimal rainfall. Expect daytime highs of 30°C and soothing nighttime lows of 21°C, making for an idyllic tropical escape. 

March is another delightful month in Grenada's dry season, making it a popular time to visit the island. With daytime highs of 30°C and nighttime lows of 22°C, it’s the perfect season to enjoy Grenada’s natural beauty and vibrant atmosphere.

April is a fantastic time to visit Grenada, with warm temperatures and plenty of sunshine. Expect daytime highs of 31°C and lows of 23°C, offering perfect conditions for swimming, snorkelling, diving, and discovering the island's many attractions. 

May in Grenada marks the shoulder season, offering delightful weather and fewer crowds, making it an ideal time to visit. While you may encounter the occasional brief rain shower, these only enhance the island’s vibrant greenery. Expect warm daytime highs of 31°C and comfortable nighttime lows of 25°C, perfect for enjoying all that Grenada has to offer.

Like May, June is part of Grenada's shoulder season, offering warm weather, fewer crowds, and the possibility of witnessing the extraordinary sight of sea turtles hatching on Levera Beach. While rainfall is more frequent compared to the dry season, showers are typically brief and refreshing, adding to the island’s lush, tropical charm. Daytime temperatures usually reach highs of 31°C, while evenings bring comfortable lows of 25°C, creating an ideal atmosphere to enjoy the island’s natural beauty.

July in Grenada is characterised by hot and humid weather, with frequent tropical showers adding to the island’s lush, vibrant scenery. Daytime highs average around 31°C, while evenings cool slightly to a comfortable 25°C. Despite the wetter conditions, July is a great time to explore Grenada's stunning landscapes and embrace its lively cultural experiences.

August is a vibrant and popular time to visit Grenada, offering warm tropical weather and the electrifying energy of the Spicemas Festival. This colourful celebration, featuring lively music, captivating dances, and rich cultural events, provides a one-of-a-kind opportunity to immerse yourself in the island's heritage while enjoying its stunning natural beauty. Temperatures typically reach daytime highs of 31°C and can dip to lows of 23°C, creating an ideal backdrop for both festivities and relaxation.

September is often regarded as Grenada's low season, but it still offers warm tropical weather and the remarkable opportunity to witness migrating whales. The island experiences daytime highs of 32°C and comfortable nighttime lows of 25°C. While rainfall increases during this time, the showers transform the island into a lush paradise.

October in Grenada brings warm, humid weather accompanied by frequent tropical rainfall, making it a lush and vibrant time to visit. Temperatures typically range from daytime highs of 31°C to nighttime lows of 25°C. 

November is Grenada’s wettest month, characterised by frequent rainfall and elevated humidity levels. Despite the increased showers, there are still plenty of sunny intervals to enjoy. Temperatures typically peak at 30°C during the day and drop to around 23°C at night.

December heralds the start of Grenada's peak season, offering long, sun-drenched days and pleasantly low humidity. It’s an ideal time to soak up the island’s natural beauty, whether through leisurely beach strolls, thrilling watersports, or exploring its lush landscapes and cultural treasures. With daytime highs averaging 30°C and mild nighttime lows of 24°C, December provides the perfect balance for relaxation and adventure in this tropical paradise.

St. Lucia is a tropical paradise renowned for its dramatic volcanic peaks, lush rainforests, and awe-inspiring waterfalls. This enchanting island is graced by the iconic Piton Mountains, unspoiled beaches, and picturesque pastel-hued villages that radiate charm and character.

Choosing the best time to visit St. Lucia depends on both your preferences and the season. The dry season, spanning December to May, is a popular choice for travellers seeking abundant sunshine, warm temperatures, and lower humidity levels, perfect for beach days and outdoor exploration. Alternatively, the quieter wet season, from June to November, offers a more tranquil experience, with occasional tropical showers that enhance the island’s vibrant greenery. Whatever the season, St. Lucia promises a magical escape year-round.

January is one of the most popular months to visit St. Lucia, thanks to its idyllic weather conditions. With minimal rainfall, warm temperatures, and clear blue skies, it’s the perfect time to relax on the island’s pristine beaches or discover its breathtaking landscapes. Daytime highs average around 28°C, while refreshing nighttime lows of 22°C create a comfortable climate.

February is another excellent month to visit St. Lucia, boasting consistently warm temperatures, low humidity, and minimal rainfall. With daytime highs of 28°C and comfortable nighttime lows of 22°C, February offers the perfect climate for both exploration and relaxation in this tropical paradise.

March in St. Lucia brings warm, sun-soaked days that are perfect for both outdoor adventures and laid-back beach escapes. With daytime temperatures reaching 29°C and nighttime lows of 23°C, March offers a warm and comfortable tropical climate throughout.

April is another excellent time to visit St. Lucia, falling within the shoulder season and offering a delightful combination of warm weather, minimal rainfall, and fewer crowds. With daytime highs of 30°C and pleasant nighttime lows of 23°C, the climate is perfect for enjoying the island’s beauty. This month also aligns with the renowned St. Lucia Jazz and Arts Festival. This vibrant cultural event has gained international acclaim, blending world-class performances with the island's enchanting atmosphere.

May, nestled in the shoulder season, brings pleasant weather to St. Lucia with daytime highs of 31°C and comfortable nighttime lows of 24°C. This month also continues the vibrant St. Lucia Jazz and Arts Festival, a celebration of music, creativity, and culture that adds an extra layer of excitement to the island's already enchanting atmosphere.

June in St. Lucia brings warm temperatures, a pleasant mix of sunshine and refreshing rain showers that enhance the island’s lush beauty. As a quieter time compared to the bustling peak season, it offers a more relaxed and serene atmosphere. Expect daytime highs of 30°C and mild nighttime lows of 25°C, making it a lovely time to experience the island at a leisurely pace.

July in St. Lucia falls within the rainy season, bringing warm temperatures with highs of 30°C and lows of 24°C. While the occasional rain shower adds to the island's lush, tropical allure, the true highlight of the month is the vibrant St. Lucia Carnival. This spectacular event transforms the island with colourful parades, infectious music, and a joyous celebration of Caribbean culture.

August in St. Lucia brings consistently warm temperatures, with daytime highs reaching 31°C and comfortable nighttime lows of 24°C. Afternoon rain showers are common, adding a refreshing touch to the tropical climate and enhancing the island's vibrant greenery.

September in St. Lucia is characterised by hot and humid weather, with a mix of sunshine and an increased likelihood of rain showers. Daytime temperatures typically reach highs of 31°C, while the nights remain warm with lows of 24°C. 

October in St. Lucia continues to fall within the wet season, bringing a mix of sunshine and occasional rain showers that offer a refreshing break from the warmth. The weather remains pleasantly tropical with highs of 31°C and lows of 24°C. This month is also a prime time for whale watching, with the incredible opportunity to spot humpback whales as they migrate through the island’s surrounding waters. 

November signals the tail end of St. Lucia's rainy season, with showers becoming less frequent and more sunshine breaking through. The tropical weather remains warm and pleasant, with daytime highs averaging 30°C and comfortable nighttime lows of 23°C

December ushers in the start of St. Lucia's peak season, offering abundant sunshine, minimal rainfall, and comfortably warm temperatures. With daytime highs of 29°C and mild nighttime lows of 23°C, it’s an ideal time to bask in the island's tropical beauty and enjoy its serene beaches and vibrant atmosphere.

Barbados is a captivating island that effortlessly combines pristine white-sand beaches, delectable cuisine, and a rich, vibrant history. Famous for its world-renowned rum and warm hospitality, it’s no wonder this tropical gem is a dream destination for so many.

The island enjoys a tropical climate with year-round sunshine and consistently warm temperatures. The peak season, from December to April, offers the sunniest and driest weather, making it a popular time to visit. From July to November, the wet season brings higher humidity and occasional heavy rainfall. However, these rain showers are typically short-lived, often followed by clear skies and sunny, warm weather. Barbados offers a little bit of paradise in every season.

January in Barbados is a delightful time to visit, offering an abundance of sunshine, minimal rainfall, and a comfortably warm climate. With daytime highs of 28°C and mild nighttime lows of 23°C, it’s perfect for soaking up the sun on picturesque beaches or exploring the island’s vibrant charm.

February in Barbados is a standout month, nestled in the heart of the dry season. It offers the island’s sunniest days, minimal rainfall, and pleasantly low humidity, making it an ideal time to visit. With daytime highs of 28°C and comfortable nighttime lows of 23°C, the weather is perfect for enjoying everything the island has to offer. February also falls within sea turtle nesting season, offering a unique chance to see these endangered creatures lay their eggs on the island's beaches.

March in Barbados offers consistently sunny weather with minimal rainfall and pleasant temperatures, with daytime highs of 29°C and nighttime lows of 23°C. It’s an ideal time to explore the island’s beauty and indulge in outdoor adventures. Adding to the charm, March often hosts the lively Oistins Fish Festival, a vibrant celebration of Barbadian culture, food, and traditions.

April in Barbados remains within the dry season, promising exceptional weather with abundant sunshine, pleasantly warm days, and minimal rainfall. Daytime temperatures typically peak at 30°C, while evenings bring a comfortable 24°C. With fewer crowds than the peak season, April offers a chance to enjoy the island’s serene beaches, vibrant culture, and natural beauty at a more leisurely pace. 

May in Barbados is part of the shoulder season, bringing a harmonious mix of warm sunshine and occasional rain showers as the island transitions from the dry to the wet season. This time of year offers pleasant weather and the chance to marvel at the island's lush greenery in full bloom. Expect daytime highs of around 30°C and nighttime lows of 25°C.

June in Barbados also falls within the shoulder season, offering warm temperatures and beautifully lush landscapes, thanks to occasional refreshing rain showers. This time of year often brings the added benefit of quieter beaches, making it an ideal choice for a more peaceful getaway. Daytime highs can reach 31°C, while nighttime lows remain warm at around 25°C.

July marks the start of the rainy season in Barbados, but despite the showers, the island continues to enjoy warm, sunny weather. Daytime temperatures typically peak at 30°C, with comfortable lows of 25°C at night. Adding to the appeal, late July ushers in the beginning of the vibrant Crop Over Festival, a lively celebration of Barbadian culture filled with music, dance, and colourful festivities.

August is a wonderful time to visit Barbados, offering a true taste of the Caribbean summer. The weather is hot and tropical, with high humidity and refreshing rain showers. Daytime highs typically reach 30°C, while evenings bring warm lows of 25°C. August is especially celebrated for the vibrant Crop Over Festival, which continues throughout the month. The festival includes parades, parties, concerts, arts and crafts markets, and more. 

September in Barbados is typically a quieter time, with daytime highs of 29°C and nighttime lows of 25°C. While the month is known as the wettest of the year, it still features plenty of sunny days interspersed with occasional brief showers and the potential for thunderstorms. Refreshing ocean breezes balance the higher humidity levels.

October in Barbados brings a delightful blend of warm tropical weather and occasional rain showers. Temperatures can reach daytime highs of 30°C, with comfortable nighttime lows of 24°C, creating an inviting climate for relaxation and exploration.

November in Barbados typically signals the end of the rainy season, bringing pleasant weather with warm temperatures, abundant sunshine, and the added benefit of fewer crowds. Daytime highs reach around 30°C, while nighttime lows settle at a comfortable 24°C.

December in Barbados is nothing short of magical. With warm tropical weather, clear blue skies, and minimal rainfall, it’s the perfect escape from the winter chill to bask in the Caribbean sunshine. Daytime highs reach a pleasant 29°C, while evenings cool slightly to 24°C. Adding to the allure, December is alive with festive celebrations, blending holiday cheer with the island’s vibrant culture for an unforgettable experience.

Antigua is a beloved holiday destination, renowned for its pristine white-sand beaches that look like they’ve been plucked straight from a postcard. Its crystal-clear waters are ideal for swimming and snorkelling, while the island’s rich history adds a fascinating cultural layer to your visit. With 365 beaches—one for every day of the year—Antigua is perfect for exploring and beach-hopping. Its lush landscapes and stunning natural beauty make it a truly picturesque escape.

The island enjoys a warm, tropical climate year-round, with the added advantage of being drier and less humid than many other Caribbean destinations. The driest months typically span from January to April, offering ideal weather for outdoor adventures. The wet season, running from June to November, sees its heaviest rainfall between July and October, but the occasional showers only enhance the island's vibrant greenery.

January is a prime time to visit Antigua, as it falls during the dry season and offers some of the most desirable weather conditions. Visitors can enjoy abundant sunshine, clear skies, and minimal rainfall, creating an ideal backdrop for beach days and outdoor adventures. With highs of 27°C and lows of 21°C, January offers the perfect mix of warmth and comfort for a winter escape.

February is the driest month in Antigua, offering abundant sunshine and comfortably warm temperatures, making it a favourite time for visitors. It’s perfect for relaxing on pristine beaches, enjoying watersports, or exploring the island’s rich historical sites. Expect daytime highs of 29°C and cool nighttime lows of 21°C, creating an idyllic setting for your tropical getaway.

March is a fantastic time to visit Antigua, as it remains firmly within the dry season. The island boasts warm temperatures, plentiful sunshine, and relatively low humidity, making it perfect for both relaxation and adventure. With daytime highs of 29°C and comfortable nighttime lows of 23°C, March provides the ideal setting for a tropical getaway.

April in Antigua brings warm temperatures, abundant sunshine, and minimal rainfall. With daytime highs of 28°C and comfortable nighttime lows of 23°C, it’s a perfect time to enjoy outdoor activities. April is also notable for hosting the world-class sailing regatta, a prestigious event that draws sailing enthusiasts and spectators from across the globe, adding excitement and energy to this tropical paradise.

Visiting Antigua in May offers warm, sunny weather and the added benefit of fewer crowds compared to the peak season. Daytime temperatures typically reach around 29°C, making it ideal for a refreshing swim or exploring vibrant marine life through snorkelling. Evenings are pleasantly comfortable, with lows of 24°C. However, May also marks the transition to the wetter season, bringing slightly increased rainfall and higher humidity levels.

June is often recognised as the official beginning of Antigua’s rainy season, with increased humidity and a chance of tropical storms. However, there is still plenty of warm weather to enjoy, with daytime highs of 30°C and comfortable evening lows of 25°C. The strong winds make it an ideal time for windsurfing, sailing, and kite surfing. 

July in Antigua delivers classic Caribbean summer weather, with daytime highs reaching 31°C and evenings cooling to a comfortable 25°C. The warm ocean waters and gentle tropical breezes create an inviting atmosphere, while quick, intense showers add a refreshing touch to the island’s vibrant, lush surroundings. 

August in Antigua is one of the hottest months, featuring the warmest ocean temperatures—perfect for enjoying tropical waters and seaside activities. Daytime highs reach 31°C, while evenings provide a comfortable 25°C. The month sees more frequent rainfall, often in the form of short, refreshing showers. Adding to its appeal, August hosts the Antigua Carnival, a vibrant celebration of music, delicious cuisine, and lively festivities that beautifully highlight the island's rich culture and energetic spirit.

September in Antigua is known for its increased likelihood of rainfall and occasional storms, as it falls within the peak of the wet season. Despite this, temperatures remain warm, with daytime highs of 30°C and nighttime lows of 24°C.

October in Antigua is typically a wetter month, but it still offers warm temperatures and plenty of sunshine between the occasional showers. Daytime highs reach 30°C, while nighttime lows remain a comfortable 24°C, providing a pleasant tropical atmosphere despite the increased rainfall.

November signals the end of Antigua's wet season, bringing a pleasant blend of warm weather and ample sunshine. Daytime highs typically reach 29°C, while nighttime lows settle at a comfortable 23°C. Rainfall is less frequent compared to earlier months, and you might still catch the tail end of the turtle nesting season, offering a unique glimpse of the island’s natural wonders.

December marks the beginning of Antigua's dry season, bringing delightful weather with blue skies, minimal rainfall, and comfortable temperatures. Daytime highs reach 28°C, while evenings cool to a refreshing 22°C. This time of year usually offers perfect conditions for exploring the island's beauty without the challenges of intense heat or high humidity. Whether relaxing on Antigua’s picturesque beaches or diving into water sports, December provides an excellent opportunity to enjoy everything the island has to offer.

Trinidad and Tobago is renowned for its vibrant culture, extraordinary beaches, and lush rainforests that create a paradise for both relaxation and exploration. This enchanting destination strikes the perfect balance between serene retreats and thrilling adventures, making it a haven for all types of travellers.

The islands boast a tropical climate with high humidity throughout the year. January and February are generally the coolest months, while April, May, and October bring the highest temperatures. The dry season, lasting from January to May, features sunny and pleasant weather, while the wet season, from June to December, ushers in refreshing rains that nurture the islands’ lush, green landscapes.

January is a popular month to visit Trinidad and Tobago, as it falls within the dry season, bringing some of the most pleasant weather of the year. With daytime highs of 30°C and refreshing nighttime lows of 21°C, you can enjoy bright sunshine and comfortably warm temperatures. January also marks the beginning of the Carnival season, with vibrant events and festivities kicking off a celebration of the islands’ rich culture and lively spirit.

February in Trinidad and Tobago brings dry, sunny weather with daytime highs of 31°C and nighttime lows of 21°C, creating the perfect backdrop for experiencing the islands’ legendary Carnival. Known as one of the largest and most vibrant Caribbean carnivals, this world-famous celebration bursts to life with dazzling costumes, pulsating music, and an infectious energy that captivates locals and visitors alike.

March in Trinidad and Tobago brings some of the most favourable weather conditions of the year, with warm daytime highs of 31°C and comfortable nighttime lows of 22°C. The month is characterised by clear skies, minimal rainfall, and excellent water visibility, making it perfect for snorkelling and other marine activities. Additionally, March offers the rare opportunity to witness the early stages of sea turtle nesting, a truly magical experience that highlights the islands' rich natural beauty.

April is one of the hottest months in Trinidad and Tobago, with daytime highs reaching 32°C and nighttime lows of 23°C. The weather is characterised by abundant sunshine, warm temperatures, and minimal rainfall, creating ideal conditions for relaxing on pristine beaches or diving into a variety of seaside activities.

May in Trinidad and Tobago falls within the dry season, offering warm, sun-soaked days with highs of 32°C and comfortable nighttime lows of 24°C. With minimal rainfall and plenty of sunshine, it’s an ideal time to enjoy the islands’ tropical charm. Adding to the appeal, May often features exciting events like Tobago Sail Week, drawing sailing enthusiasts from around the globe for a week of thrilling regattas and vibrant festivities. 

June marks the start of the wet season in Trinidad and Tobago, bringing occasional rain showers scattered throughout the day. Despite this, you can still enjoy plenty of sunshine and warm tropical weather, with daytime highs reaching 31°C and nighttime lows of 24°C. The mix of brief showers and sunny intervals adds a refreshing balance to the vibrant landscapes. 

July in Trinidad and Tobago offers a quintessential Caribbean summer experience, with warm weather, daytime highs of 31°C, and comfortable nighttime lows of 23°C. Occasional rain showers refresh the landscape, enhance the lush greenery, and encourage wildlife activity, adding to the natural charm.

August in Trinidad and Tobago brings warm weather, a lively atmosphere, and vibrant cultural celebrations. While the month falls within the wet season, the short, intense showers are balanced by plenty of sunshine, with daytime highs of 31°C and nighttime lows of 23°C. Adding to the excitement, the annual Great Fete showcases the islands' rich culture, pulsating music, and energetic festivities.

September in Trinidad and Tobago features warm, tropical weather with daytime highs of 31°C and nighttime lows of 23°C. The month is characterised by high humidity and an increased likelihood of rain, though the showers are typically brief and often followed by bright sunshine.

October in Trinidad and Tobago brings a delightful mix of warm weather and occasional rain showers that nourish the islands’ greenery and vibrant blooms. Daytime highs reach 31°C, while evenings cool slightly to a comfortable 23°C, creating an inviting climate. 

November in Trinidad and Tobago brings warm, sunny weather with daytime highs of 31°C and pleasant nighttime lows of 23°C. While there is a chance of occasional showers, they are typically brief and add a refreshing touch to the climate.

December ushers in the dry season in Trinidad and Tobago, bringing sunny skies, warm weather, and significantly less rainfall. Daytime temperatures peak at 30°C, with cooler evenings at 22°C, creating an ideal climate. This month also offers the chance to experience festive Christmas celebrations, complete with unique traditions like lively parang music, adding a vibrant cultural touch to the holiday season.