Olhao weather in May 2025

Expect 72°F daytime maximum temperatures in the shade with on average 10 hours of sunshine per day in Olhao in May. Check more long-term weather averages for Olhao in May before you book your next holiday to Algarve in 2025/2026.

  • 72°F maximum daytime temperature in May in Olhao72
    72°F max day temperature
  • 10 hours of sunshine per day
  • 5 days with some rainfall in May in Olhao5
    5 days with some rainfall
  • 54°F minimum night-time temperature in May in Olhao54
    54°F min night temperature
  • 14 hours of daylight per day in May in Olhao14
    14 hours of daylight per day
  • No heat & humidity in May in Olhao0
    No heat & humidity
  • 1.2 inches monthly rainfall in May in Olhao1.2
    1.2 inches of monthly rainfall
  • UV (maximum) index 8 (Very High) in May in Olhao8
    8 (Very High) UV index
  • 63°F sea temperature in May in Olhao63
    63°F sea temperature

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The May weather guide for Algarve (Olhao) 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 Olhao in May?

Daytime temperatures usually reach 72°F in Olhao in May, falling to 54°F at night.

How sunny is it in Olhao in May?

There are normally 10 hours of bright sunshine each day in Olhao in May - that's 70% of daylight hours.

How warm is the sea around Olhao in May?

The average sea temperature around Olhao in May is 63°F.

Does it rain in Olhao in May?

There are usually 5 days with some rain in Olhao in May and the average monthly rainfall is 1.2 inches.

Olhao May sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st May 2025 05:37 19:21
Friday, 16th May 2025 05:22 19:34
Saturday, 31st May 2025 05:14 19:45

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