Cascais weather in May 2024

Expect 21°C daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in Cascais in May. Check more long-term weather averages for Cascais in May before you book your next holiday to Portugal in 2024/2025.

  • 21°C maximum daytime temperature in May in Cascais21
    21°C max day temperature
  • 9 hours of sunshine per day
  • 9 days with some rainfall in May in Cascais9
    9 days with some rainfall
  • 13°C minimum night-time temperature in May in Cascais13
    13°C min night temperature
  • 14 hours of daylight per day in May in Cascais14
    14 hours of daylight per day
  • No heat & humidity in May in Cascais0
    No heat & humidity
  • 46 mm monthly rainfall in May in Cascais46
    46 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in May in Cascais8
    8 (Very High) UV index
  • 16°C sea temperature in May in Cascais16
    16°C sea temperature

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The May weather guide for Portugal (Cascais) 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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More about Portugal

How hot is it in Cascais in May?

Daytime temperatures usually reach 21°C in Cascais in May, falling to 13°C at night.

How sunny is it in Cascais in May?

There are normally 9 hours of bright sunshine each day in Cascais in May - that's 65% of daylight hours.

How warm is the sea around Cascais in May?

The average sea temperature around Cascais in May is 16°C.

Does it rain in Cascais in May?

There are usually 9 days with some rain in Cascais in May and the average monthly rainfall is 46mm.

Cascais May sunrise & sunset times

Browse the sunrise and sunset times for Cascais in May 2024. Select a month to view Cascais sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st May 2024 06:40 20:30
Thursday, 16th May 2024 06:24 20:44
Friday, 31st May 2024 06:15 20:56

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