Algarve weather in April
Algarve averages 21°C by day and 12°C at night in April, with the sea at 17°C and 9 days with at least 1 mm of rain. It warms up by about 4°C into May.
Day
21°C
Night
12°C
Sea
17°C
Rainy days
9
Flight from London
2½h
What April feels like
April is warm in Algarve: T-shirt days, a light layer for evenings.
The sea is 17°C: cold for swimming, so plan on a heated pool.
Expect some rain: about 9 days with at least 1 mm.
Of the 48 sun destinations we track, Algarve is the #40 warmest in April, and #15 of 23 within 5½ hours of the UK.
Want it warmer in April?
These are hotter than Algarve this month for at most an hour and a half more flying:
Algarve weather by month
April is highlighted. Compare with March and May, or see the full year in Algarve.
Algarve in April: quick answers
Is Algarve hot in April?
April is warm in Algarve: T-shirt days, a light layer for evenings. Average highs are 21°C and lows 12°C.
Can you swim in Algarve in April?
The sea is 17°C: cold for swimming, so plan on a heated pool.
Does it rain in Algarve in April?
Expect some rain: about 9 days with at least 1 mm.
What is the warmest month in Algarve?
August, at an average high of 32°C. The coolest is January at 16°C.
How long is the flight to Algarve from the UK?
About 2½h direct from London, estimated from the 1,713 km distance. Check your airline for exact times.
Still choosing? See where is hot in April for every destination ranked by temperature, sea and flight time.
How we measured this
Averages of every day in April from 2016 to 2025, from the Open-Meteo historical weather archive (ECMWF ERA5 reanalysis). Sea temperature is the 2023 to 2025 average from the Open-Meteo marine archive. A rainy day has at least 1 mm of rain. Reanalysis describes an area about 25 km across, so sheltered resorts can run a degree or two warmer. Flight time is a distance-based estimate from London Heathrow.
Planning Algarve in April?
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