Portofino weather in May

Check the Weather in Portofino, Italian Riviera in May before you book your next holiday. This gives the best indication of the weather in May and includes figures for temperature, sunshine and rainfall.

  • 17°C maximum daytime temperature in May in Portofino17
    17°C max day temperature
  • 7 hours of sunshine per day (47% of daylight hours) in May in Portofino7
    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
  • 17°C sea temperature in May in Portofino17
    17°C sea temperature

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

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