Barbados weather by month

Barbados is warmest in September (30°C average high) and coolest in January (28°C). For warm, mostly dry weather, go March to May. The sea is warm enough for easy swimming all year.

Warmest month

September

30°C

Coolest month

January

28°C

Wettest month

August

21 rainy days

Flight from London

8½h

direct, estimated

Barbados temperature by month

Tap a month for the detail and warmer alternatives.

MonthDayNightSeaRainy days
January28°C24°C28°C13
February28°C24°C27°C10
March29°C24°C27°C11
April29°C25°C28°C9
May30°C25°C29°C10
June30°C25°C29°C15
July30°C25°C29°C20
August30°C26°C30°C21
September30°C26°C30°C20
October30°C26°C30°C20
November29°C25°C29°C18
December29°C24°C28°C14

When to go to Barbados

What is the best month to visit Barbados for sun?

For warm, mostly dry days, go March to May, going by our 10-year averages.

What is the hottest month in Barbados?

September averages 30°C. January is the coolest at 28°C.

When does it rain most in Barbados?

August, with about 21 wet days.

When is the sea warm enough to swim in Barbados?

all year, when the sea averages 21°C or more.

How we measured this

Daily averages from 2016 to 2025, from the Open-Meteo historical weather archive (ECMWF ERA5 reanalysis); sea temperatures are 2023 to 2025 averages from the Open-Meteo marine archive. A rainy day has at least 1 mm of rain.

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