Caribbean weather in December
In December, the Caribbean averages 26 to 29°C by day across Barbados, Antigua, St Lucia, Jamaica, Punta Cana, Aruba, Cuba (Varadero) and the Bahamas. Aruba is the warmest at 29°C, Nassau the coolest at 26°C. The sea is 25 to 29°C.
Caribbean in December, place by place
Warmest first. Anywhere at 24°C or more is proper beach weather. Tap a place for its full December detail.
| Destination | Day | Night | Sea | Rain | Flight |
|---|---|---|---|---|---|
| ArubaAruba | 29°C | 26°C | 28°C | 58 mm | 9½h |
| BarbadosBarbados | 29°C | 24°C | 28°C | 54 mm | 8½h |
| Jamaica (Montego Bay)Jamaica | 29°C | 23°C | 29°C | 58 mm | 9½h |
| AntiguaAntigua and Barbuda | 28°C | 25°C | 28°C | 48 mm | 8h |
| St LuciaSt Lucia | 28°C | 24°C | 28°C | 71 mm | 8½h |
| Punta CanaDominican Republic | 27°C | 24°C | 28°C | 78 mm | 8½h |
| VaraderoCuba | 27°C | 22°C | 25°C | 48 mm | 9h |
| NassauBahamas | 26°C | 22°C | 25°C | 47 mm | 8½h |
Heading to the Caribbean in December?
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 December: quick answers
Is the Caribbean hot in December?
In December, the Caribbean averages 26 to 29°C by day across Barbados, Antigua, St Lucia, Jamaica, Punta Cana, Aruba, Cuba (Varadero) and the Bahamas. Aruba is the warmest at 29°C, Nassau the coolest at 26°C. The sea is 25 to 29°C. December is hot in Aruba: proper beach weather.
Where is warmest in the Caribbean in December?
Aruba, at an average high of 29°C. The driest is Nassau, with about 47 mm of rain.
Can you swim in the sea in the Caribbean in December?
Yes: Jamaica (29°C), Barbados (28°C), St Lucia (28°C), Punta Cana (28°C), Aruba (28°C), Antigua (28°C), Varadero (25°C), Nassau (25°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 December?
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.
