Cascais weather in January 2025

Expect 57°F daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in Cascais in January. Check more long-term weather averages for Cascais in January before you book your next holiday to Portugal in 2025/2026.

  • 57°F maximum daytime temperature in January in Cascais57
    57°F max day temperature
  • 5 hours of sunshine per day
  • 15 days with some rainfall in January in Cascais15
    15 days with some rainfall
  • 46°F minimum night-time temperature in January in Cascais46
    46°F min night temperature
  • 10 hours of daylight per day in January in Cascais10
    10 hours of daylight per day
  • No heat & humidity in January in Cascais0
    No heat & humidity
  • 4.8 inches monthly rainfall in January in Cascais4.8
    4.8 inches of monthly rainfall
  • UV (maximum) index 2 (Low) in January in Cascais2
    2 (Low) UV index
  • 59°F sea temperature in January in Cascais59
    59°F sea temperature

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The January 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)  |  Imperial (°F)

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More about Portugal

How warm is it in Cascais in January?

Daytime temperatures usually reach 57°F in Cascais in January, falling to 46°F at night.

How sunny is it in Cascais in January?

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

How warm is the sea around Cascais in January?

The average sea temperature around Cascais in January is 59°F.

Does it rain in Cascais in January?

There are usually 15 days with some rain in Cascais in January and the average monthly rainfall is 4.8 inches.

Cascais January sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st January 2025 07:56 17:27
Thursday, 16th January 2025 07:54 17:42
Friday, 31st January 2025 07:44 17:59

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