Portofino weather in May 2025

Expect 17°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Portofino in May. Check more long-term weather averages for Portofino in May before you book your next holiday to Italian Riviera in 2025/2026.

  • 17°C maximum daytime temperature in May in Portofino17
    17°C max day temperature
  • 7 hours of sunshine per day
  • 12 days with some rainfall in May in Portofino12
    12 days with some rainfall
  • 10°C minimum night-time temperature in May in Portofino10
    10°C min night temperature
  • 15 hours of daylight per day in May in Portofino15
    15 hours of daylight per day
  • No heat & humidity in May in Portofino0
    No heat & humidity
  • 80 mm monthly rainfall in May in Portofino80
    80 mm of monthly rainfall
  • UV (maximum) index 7 (High) in May in Portofino7
    7 (High) UV index
  • 18°C sea temperature in May in Portofino18
    18°C sea temperature

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The May weather guide for Italian Riviera (Portofino) 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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How warm is it in Portofino in May?

Daytime temperatures usually reach 17°C in Portofino in May, falling to 10°C at night.

How sunny is it in Portofino in May?

There are normally 7 hours of bright sunshine each day in Portofino in May - that's 47% of daylight hours.

How warm is the sea around Portofino in May?

The average sea temperature around Portofino in May is 18°C.

Does it rain in Portofino in May?

There are usually 12 days with some rain in Portofino in May and the average monthly rainfall is 80mm.

Portofino May sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st May 2025 05:14 19:27
Friday, 16th May 2025 04:55 19:45
Saturday, 31st May 2025 04:43 19:59

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