Alvor weather in May 2025

Expect 21°C daytime maximum temperatures in the shade with on average 10 hours of sunshine per day in Alvor in May. Check more long-term weather averages for Alvor in May before you book your next holiday to Algarve in 2025/2026.

  • 21°C maximum daytime temperature in May in Alvor21
    21°C max day temperature
  • 10 hours of sunshine per day
  • 5 days with some rainfall in May in Alvor5
    5 days with some rainfall
  • 13°C minimum night-time temperature in May in Alvor13
    13°C min night temperature
  • 14 hours of daylight per day in May in Alvor14
    14 hours of daylight per day
  • No heat & humidity in May in Alvor0
    No heat & humidity
  • 29 mm monthly rainfall in May in Alvor29
    29 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in May in Alvor8
    8 (Very High) UV index
  • 17°C sea temperature in May in Alvor17
    17°C sea temperature

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The May weather guide for Algarve (Alvor) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

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More about the Algarve

How hot is it in Alvor in May?

Daytime temperatures usually reach 21°C in Alvor in May, falling to 13°C at night.

How sunny is it in Alvor in May?

There are normally 10 hours of bright sunshine each day in Alvor in May - that's 69% of daylight hours.

How warm is the sea around Alvor in May?

The average sea temperature around Alvor in May is 17°C.

Does it rain in Alvor in May?

There are usually 5 days with some rain in Alvor in May and the average monthly rainfall is 29mm.

Alvor May sunrise & sunset times

Browse the sunrise and sunset times for Alvor in May 2025. Select a month to view Alvor sunrise and sunset times for the next 12 months.


Date Sunrise times Sunset times
Thursday, 1st May 2025 05:40 19:24
Friday, 16th May 2025 05:25 19:37
Saturday, 31st May 2025 05:16 19:48

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