Why is it so hot in the Caribbean?

Driven by climate change, a strong El Niño climate pattern and a much warmer than usual tropical north Atlantic, heat waves—temperatures that exceed the 90th percentile of the region's historical range— have affected both marine and terrestrial food sources.



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On June 6th, 2023, a high-pressure system from east of Puerto Rico combined with dust from the Sahara, increased humidity, and record-breaking Atlantic temperatures (likely exacerbated by climate change) to form a heat dome, which drove the local heat index to historic highs.

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What month should you avoid in the Caribbean? Due to the risk of hurricanes, September and October are the months when it is wise to avoid the Caribbean.

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The temperature variations in the Caribbean are surprisingly slight, averaging between 75°F and 85°F (24°C-29°C) in both winter and summer. It can get really chilly, however, especially in the early morning and at night. The Caribbean winter is usually like a perpetual May.

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Jamaica. Jamaica is consistently one of the warmest Caribbean islands. Its diverse countryside includes rainforests, mountains and reef-lined beaches. The low humidity in January makes it a great month to explore the island's many sights, and the warm waters are perfect for snorkelling.

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Analyses with other temperature data — from the National Oceanic and Atmospheric Administration and NASA, among others — have also shown more than a 50 percent chance that 2023 will be the warmest on record. At the end of June, the nonprofit Berkeley Earth forecast an 81 percent chance of a record 2023.

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Temperatures during summer usually sit in the high 80s during the day and 70 - 80?F at night, especially near the coast. The ocean air keeps the summer temperatures from getting too hot, so if you're not accustomed to Caribbean weather in the summer, it's a good idea to stick to the coastal regions.

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With 28 island nations, the Caribbean is a diverse and beautiful region of the world with a consistent, tropical climate. Although January is the coldest month in the Caribbean, you'll still experience beautifully warm temperatures, with hot days and slightly cooler nights.

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Aruba is famously known to have the most sunny days in the Caribbean, so your long-awaited and well-deserved getaway is practically guaranteed to have perfect weather. Aruba gets very little rainfall and has consistent low to mid-80's temperatures, and warm waters all year round.

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The best time to visit the Caribbean is during its driest months, from February to May. But the Caribbean islands enjoy a hot, tropical climate all year round, with average highs of 82°F. The wettest period is between July and November, although the official hurricane season lasts from June to November.

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Park rangers at Pico Duarte, the highest peak in the Caribbean, report that cold spells can bring a light dusting of snow, which usually melts quickly after hitting the ground.

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If you're out on deck at night in Alaska, it's likely to be cold. In the Caribbean, it can be chilly after the sun goes down, thanks to the ocean breezes, but chances are good that you won't ever need a down parka to stay warm.

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Constanza is a town and municipality in La Vega Province, Dominican Republic. Located in the Cordillera Central region, Constanza is known for having the coldest temperature for a settlement on the island of Hispaniola, as well as the entire Caribbean.

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Lucia during mid-April to June or October to November (shoulder seasons) to avoid crowds. Mid-April to June is the better shoulder season for good, dry weather. The worst times to visit St. Lucia are the months of August, September, or October – the rainiest period of the year here with increased hurricane risk.

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December. From mid-December it's peak season (and peak prices) in the Caribbean although you might find some deals at the start of the month. Some resorts try to tempt vacationers with deals ahead of the busy Christmas rush. Weather-wise it's warm and dry with little chance of any thunderstorms.

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