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.

MonthDayNightSeaRain
January28°C25°C27°C37 mm
February29°C25°C26°C31 mm
March29°C25°C26°C27 mm
April30°C26°C27°C17 mm
May30°C27°C28°C23 mm
June30°C27°C27°C28 mm
July30°C27°C28°C35 mm
August31°C27°C28°C35 mm
September32°C28°C29°C40 mm
October31°C27°C30°C61 mm
November30°C26°C29°C112 mm
December29°C26°C28°C58 mm

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.

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