Caribbean weather in May
In May, the Caribbean averages 28 to 31°C by day across Barbados, Antigua, St Lucia, Jamaica, Punta Cana, Aruba, Cuba (Varadero) and the Bahamas. Jamaica is the warmest at 31°C, Nassau the coolest at 28°C. The sea is 28 to 29°C.
Caribbean in May, place by place
Warmest first. Anywhere at 24°C or more is proper beach weather. Tap a place for its full May detail.
| Destination | Day | Night | Sea | Rain | Flight |
|---|---|---|---|---|---|
| Jamaica (Montego Bay)Jamaicawet season | 31°C | 24°C | 29°C | 186 mm | 9½h |
| ArubaAruba | 30°C | 27°C | 28°C | 23 mm | 9½h |
| BarbadosBarbados | 30°C | 25°C | 29°C | 33 mm | 8½h |
| VaraderoCuba | 30°C | 24°C | 29°C | 144 mm | 9h |
| St LuciaSt Lucia | 29°C | 25°C | 28°C | 61 mm | 8½h |
| AntiguaAntigua and Barbuda | 29°C | 25°C | 29°C | 68 mm | 8h |
| Punta CanaDominican Republic | 29°C | 25°C | 28°C | 127 mm | 8½h |
| NassauBahamas | 28°C | 24°C | 28°C | 105 mm | 8½h |
Heading to the Caribbean in May?
Share the places you've saved on TikTok and Instagram for the Caribbean to Dream Trip. It pins them on a map and builds your days around them.
Caribbean in May: quick answers
Is the Caribbean hot in May?
In May, the Caribbean averages 28 to 31°C by day across Barbados, Antigua, St Lucia, Jamaica, Punta Cana, Aruba, Cuba (Varadero) and the Bahamas. Jamaica is the warmest at 31°C, Nassau the coolest at 28°C. The sea is 28 to 29°C. May is hot but wet in Jamaica: rainy season, so pack for showers.
Where is warmest in the Caribbean in May?
Jamaica, at an average high of 31°C. The driest is Aruba, with about 23 mm of rain.
Can you swim in the sea in the Caribbean in May?
Yes: Jamaica (29°C), Varadero (29°C), Antigua (29°C), Barbados (29°C), St Lucia (28°C), Punta Cana (28°C), Nassau (28°C), Aruba (28°C) have sea temperatures of 21°C or more, comfortable without a wetsuit.
How we measured this
Caribbean here means Barbados, Antigua, St Lucia, Jamaica, Punta Cana, Aruba, Cuba (Varadero) and the Bahamas: the places we measure. Figures are averages of every day from 2016 to 2025 from the Open-Meteo historical weather archive (ECMWF ERA5); sea temperatures are 2023 to 2025 averages. Rain is the average monthly total, and 150 mm or more counts as rainy season.
Planning the Caribbean in May?
Save the places you find on TikTok and Instagram for the Caribbean to one map, and Dream Trip turns them into a day-by-day plan.
