Alvor weather in May 2025

Expect daytime maximum temperatures of 70°F in Alvor, Algarve in May based on long-term weather averages. There are 10 hours of sunshine per day on average.

  • 70°F maximum daytime temperature in May in Alvor70
    70°F max day temperature
  • 10 hours of sunshine per day
  • 5 days with some rainfall in May in Alvor5
    5 days with some rainfall
  • 55°F minimum night-time temperature in May in Alvor55
    55°F 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
  • 1.1 inches monthly rainfall in May in Alvor1.1
    1.1 inches of monthly rainfall
  • UV (maximum) index 8 (Very High) in May in Alvor8
    8 (Very High) UV index
  • 63°F sea temperature in May in Alvor63
    63°F 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)  |  Imperial (°F)

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More about the Algarve

How hot is it in Alvor in May?

Daytime temperatures usually reach 70°F in Alvor in May, falling to 55°F 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 63°F.

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 1.1 inches.

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.

JanFebMarAprMayJunJulAugSepOctNovDec

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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