Cascais weather in June 2025

Expect daytime maximum temperatures of 24°C in Cascais, Portugal in June based on long-term weather averages. There are 10 hours of sunshine per day on average.

  • 24°C maximum daytime temperature in June in Cascais24
    24°C max day temperature
  • 10 hours of sunshine per day
  • 5 days with some rainfall in June in Cascais5
    5 days with some rainfall
  • 15°C minimum night-time temperature in June in Cascais15
    15°C min night temperature
  • 15 hours of daylight per day in June in Cascais15
    15 hours of daylight per day
  • No heat & humidity in June in Cascais0
    No heat & humidity
  • 26 mm monthly rainfall in June in Cascais26
    26 mm of monthly rainfall
  • UV (maximum) index 9 (Very High) in June in Cascais9
    9 (Very High) UV index
  • 17°C sea temperature in June in Cascais17
    17°C sea temperature

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The June 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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How hot is it in Cascais in June?

Daytime temperatures usually reach 24°C in Cascais in June, falling to 15°C at night.

How sunny is it in Cascais in June?

There are normally 10 hours of bright sunshine each day in Cascais in June - that's 67% of daylight hours.

How warm is the sea around Cascais in June?

The average sea temperature around Cascais in June is 17°C.

Does it rain in Cascais in June?

There are usually 5 days with some rain in Cascais in June and the average monthly rainfall is 26mm.

Cascais June sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Sunday, 1st June 2025 05:15 19:57
Sunday, 15th June 2025 05:12 20:04
Monday, 30th June 2025 05:16 20:06

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