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.

DestinationDayNightSeaRainFlight
ArubaAruba31°C27°C30°C61 mm9½h
Jamaica (Montego Bay)Jamaicawet season30°C24°C31°C224 mm9½h
BarbadosBarbados30°C26°C30°C111 mm8½h
AntiguaAntigua and Barbuda30°C26°C30°C117 mm8h
Punta CanaDominican Republicwet season30°C25°C30°C158 mm8½h
St LuciaSt Lucia29°C26°C30°C108 mm8½h
VaraderoCuba29°C25°C29°C106 mm9h
NassauBahamas29°C26°C29°C127 mm8½h
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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.

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