Aruba weather by month
Aruba is warmest in September (32°C average high) and coolest in January (28°C). For warm, mostly dry weather, go December to September. The sea is warm enough for easy swimming all year.
Warmest month
September
32°C
Coolest month
January
28°C
Wettest month
November
112 mm
Flight from London
9½h
direct, estimated
Aruba temperature by month
Tap a month for the detail and warmer alternatives.
When to go to Aruba
What is the best month to visit Aruba for sun?
For warm, mostly dry days, go December to September, going by our 10-year averages.
What is the hottest month in Aruba?
September averages 32°C. January is the coolest at 28°C.
When does it rain most in Aruba?
November, with about 112 mm of rain.
When is the sea warm enough to swim in Aruba?
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. Rain is the average monthly total.
