Caribbean weather in October
In October, the Caribbean averages 29 to 31°C by day across Barbados, Antigua, St Lucia, Jamaica, Punta Cana, Aruba, Cuba (Varadero) and the Bahamas. Aruba is the warmest at 31°C, Nassau the coolest at 29°C. The sea is 29 to 31°C.
Caribbean in October, place by place
Warmest first. Anywhere at 24°C or more is proper beach weather. Tap a place for its full October detail.
| Destination | Day | Night | Sea | Rain | Flight |
|---|---|---|---|---|---|
| ArubaAruba | 31°C | 27°C | 30°C | 61 mm | 9½h |
| Jamaica (Montego Bay)Jamaicawet season | 30°C | 24°C | 31°C | 224 mm | 9½h |
| BarbadosBarbados | 30°C | 26°C | 30°C | 111 mm | 8½h |
| AntiguaAntigua and Barbuda | 30°C | 26°C | 30°C | 117 mm | 8h |
| Punta CanaDominican Republicwet season | 30°C | 25°C | 30°C | 158 mm | 8½h |
| St LuciaSt Lucia | 29°C | 26°C | 30°C | 108 mm | 8½h |
| VaraderoCuba | 29°C | 25°C | 29°C | 106 mm | 9h |
| NassauBahamas | 29°C | 26°C | 29°C | 127 mm | 8½h |
Heading to the Caribbean in October?
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 October: quick answers
Is the Caribbean hot in October?
In October, the Caribbean averages 29 to 31°C by day across Barbados, Antigua, St Lucia, Jamaica, Punta Cana, Aruba, Cuba (Varadero) and the Bahamas. Aruba is the warmest at 31°C, Nassau the coolest at 29°C. The sea is 29 to 31°C. October is hot in Aruba: proper beach weather.
Where is warmest in the Caribbean in October?
Aruba, at an average high of 31°C. The driest is Aruba, with about 61 mm of rain.
Can you swim in the sea in the Caribbean in October?
Yes: Jamaica (31°C), St Lucia (30°C), Barbados (30°C), Aruba (30°C), Punta Cana (30°C), Antigua (30°C), Varadero (29°C), Nassau (29°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.
