Caribbean weather in January
In January, the Caribbean averages 25 to 28°C by day across Barbados, Antigua, St Lucia, Jamaica, Punta Cana, Aruba, Cuba (Varadero) and the Bahamas. Aruba is the warmest at 28°C, Nassau the coolest at 25°C. The sea is 24 to 28°C.
Caribbean in January, place by place
Warmest first. Anywhere at 24°C or more is proper beach weather. Tap a place for its full January detail.
| Destination | Day | Night | Sea | Rain | Flight |
|---|---|---|---|---|---|
| ArubaAruba | 28°C | 25°C | 27°C | 37 mm | 9½h |
| BarbadosBarbados | 28°C | 24°C | 28°C | 33 mm | 8½h |
| Jamaica (Montego Bay)Jamaica | 28°C | 22°C | 28°C | 53 mm | 9½h |
| AntiguaAntigua and Barbuda | 28°C | 24°C | 27°C | 43 mm | 8h |
| St LuciaSt Lucia | 27°C | 24°C | 28°C | 70 mm | 8½h |
| Punta CanaDominican Republic | 27°C | 24°C | 27°C | 66 mm | 8½h |
| VaraderoCuba | 26°C | 21°C | 25°C | 44 mm | 9h |
| NassauBahamas | 25°C | 21°C | 24°C | 45 mm | 8½h |
Heading to the Caribbean in January?
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 January: quick answers
Is the Caribbean hot in January?
In January, the Caribbean averages 25 to 28°C by day across Barbados, Antigua, St Lucia, Jamaica, Punta Cana, Aruba, Cuba (Varadero) and the Bahamas. Aruba is the warmest at 28°C, Nassau the coolest at 25°C. The sea is 24 to 28°C. January is hot in Aruba: proper beach weather.
Where is warmest in the Caribbean in January?
Aruba, at an average high of 28°C. The driest is Barbados, with about 33 mm of rain.
Can you swim in the sea in the Caribbean in January?
Yes: Jamaica (28°C), Barbados (28°C), St Lucia (28°C), Punta Cana (27°C), Antigua (27°C), Aruba (27°C), Varadero (25°C), Nassau (24°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 January?
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.
