Porto weather in May 2025

Expect 61°F daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Porto in May. Check more long-term weather averages for Porto in May before you book your next holiday to Corsica in 2025/2026.

  • 61°F maximum daytime temperature in May in Porto61
    61°F max day temperature
  • 8 hours of sunshine per day
  • 10 days with some rainfall in May in Porto10
    10 days with some rainfall
  • 50°F minimum night-time temperature in May in Porto50
    50°F min night temperature
  • 15 hours of daylight per day in May in Porto15
    15 hours of daylight per day
  • No heat & humidity in May in Porto0
    No heat & humidity
  • 2.0 inches monthly rainfall in May in Porto2.0
    2.0 inches of monthly rainfall
  • UV (maximum) index 8 (Very High) in May in Porto8
    8 (Very High) UV index
  • 63°F sea temperature in May in Porto63
    63°F sea temperature

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The May weather guide for Corsica (Porto) 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 Corsica

How warm is it in Porto in May?

Daytime temperatures usually reach 61°F in Porto in May, falling to 50°F at night.

How sunny is it in Porto in May?

There are normally 8 hours of bright sunshine each day in Porto in May - that's 54% of daylight hours.

How warm is the sea around Porto in May?

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

Does it rain in Porto in May?

There are usually 10 days with some rain in Porto in May and the average monthly rainfall is 2.0 inches.

Porto May sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st May 2025 05:20 19:25
Friday, 16th May 2025 05:03 19:41
Saturday, 31st May 2025 04:52 19:55

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