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
93 mm
Flight from London
2½h
direct, estimated
Planning a trip to Algarve?
Share the Algarve places you've saved on TikTok and Instagram to Dream Trip, and get them on one map with a day-by-day plan.
Algarve temperature by month
Tap a month for the detail and warmer alternatives.
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 93 mm of rain.
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. Rain is the average monthly total.
Going to Algarve?
Save the places you find on TikTok and Instagram for Algarve to one map, and Dream Trip will plan the days around them.
