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.
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.
