Cascais weather in December 2024

Expect 15°C daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in Cascais in December. Check more long-term weather averages for Cascais in December before you book your next holiday to Portugal in 2024/2025.

  • 15°C maximum daytime temperature in December in Cascais15
    15°C max day temperature
  • 5 hours of sunshine per day
  • 14 days with some rainfall in December in Cascais14
    14 days with some rainfall
  • 9°C minimum night-time temperature in December in Cascais9
    9°C min night temperature
  • 10 hours of daylight per day in December in Cascais10
    10 hours of daylight per day
  • No heat & humidity in December in Cascais0
    No heat & humidity
  • 120 mm monthly rainfall in December in Cascais120
    120 mm of monthly rainfall
  • UV (maximum) index 2 (Low) in December in Cascais2
    2 (Low) UV index
  • 16°C sea temperature in December in Cascais16
    16°C sea temperature

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The December 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 December?

Daytime temperatures usually reach 15°C in Cascais in December, falling to 9°C at night.

How sunny is it in Cascais in December?

There are normally 5 hours of bright sunshine each day in Cascais in December - that's 48% of daylight hours.

How warm is the sea around Cascais in December?

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

Does it rain in Cascais in December?

There are usually 14 days with some rain in Cascais in December and the average monthly rainfall is 120mm.

Cascais December sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Sunday, 1st December 2024 07:37 17:16
Monday, 16th December 2024 07:49 17:18
Tuesday, 31st December 2024 07:56 17:26

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