Porto weather in May 2025

Expect 16°C 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.

  • 16°C maximum daytime temperature in May in Porto16
    16°C max day temperature
  • 8 hours of sunshine per day
  • 10 days with some rainfall in May in Porto10
    10 days with some rainfall
  • 10°C minimum night-time temperature in May in Porto10
    10°C 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
  • 52 mm monthly rainfall in May in Porto52
    52 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in May in Porto8
    8 (Very High) UV index
  • 17°C sea temperature in May in Porto17
    17°C sea temperature

More about Porto

Porto by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Corsica

Marella Cruises sale: up to £300 off ocean cruises

  • Save up to £300 on ocean cruises in 2025/2026
  • Discount varies by destination. No min spend
  • Travel before 30th April 2026 (inclusive)
Show discount codeShow discount code ******200
Redeem Marella Cruises discount code >>

Expires at 23:59 on Friday 31st Jan 2025 · View all Marella Cruises offers

Marella CruisesCruise deal finder

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 / mm)  |  Imperial (°F / inches)

Back to top

More about Corsica

How warm is it in Porto in May?

Daytime temperatures usually reach 16°C in Porto in May, falling to 10°C 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 17°C.

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 52mm.

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

Related posts

Popular travel offers

Explore holidays in the sun for less

More holidays

Airport parking

More parking

Airport lounges

More lounges

Top ^