Cascais weather in March 2025

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

  • 17°C maximum daytime temperature in March in Cascais17
    17°C max day temperature
  • 7 hours of sunshine per day
  • 13 days with some rainfall in March in Cascais13
    13 days with some rainfall
  • 10°C minimum night-time temperature in March in Cascais10
    10°C min night temperature
  • 12 hours of daylight per day in March in Cascais12
    12 hours of daylight per day
  • No heat & humidity in March in Cascais0
    No heat & humidity
  • 78 mm monthly rainfall in March in Cascais78
    78 mm of monthly rainfall
  • UV (maximum) index 5 (Moderate) in March in Cascais5
    5 (Moderate) UV index
  • 15°C sea temperature in March in Cascais15
    15°C sea temperature

More about Cascais

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The March 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 warm is it in Cascais in March?

Daytime temperatures usually reach 17°C in Cascais in March, falling to 10°C at night.

How sunny is it in Cascais in March?

There are normally 7 hours of bright sunshine each day in Cascais in March - that's 55% of daylight hours.

How warm is the sea around Cascais in March?

The average sea temperature around Cascais in March is 15°C.

Does it rain in Cascais in March?

There are usually 13 days with some rain in Cascais in March and the average monthly rainfall is 78mm.

Cascais March sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Saturday, 1st March 2025 07:10 18:31
Sunday, 16th March 2025 06:47 18:46
Monday, 31st March 2025 06:24 19:00

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