Algarve weather by month

Algarve is warmest in August (32°C average high) and coolest in January (16°C). For warm, mostly dry weather, go May to September.

Warmest month

August

32°C

Coolest month

January

16°C

Wettest month

March

11 rainy days

Flight from London

2½h

direct, estimated

Algarve temperature by month

Tap a month for the detail and warmer alternatives.

MonthDayNightSeaRainy days
January16°C9°C17°C7
February17°C10°C16°C6
March19°C11°C16°C11
April21°C12°C17°C9
May24°C15°C17°C5
June28°C17°C18°C3
July31°C20°C18°C0
August32°C20°C19°C0
September28°C19°C17°C3
October24°C16°C19°C7
November20°C13°C18°C8
December17°C10°C17°C7

When to go to Algarve

What is the best month to visit Algarve for sun?

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

What is the hottest month in Algarve?

August averages 32°C. January is the coolest at 16°C.

When does it rain most in Algarve?

March, with about 11 wet days.

When is the sea warm enough to swim in Algarve?

The sea never averages 21°C. It peaks at 19°C.

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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