Turku weather in December 2025

Expect daytime maximum temperatures of 0°C in Turku, Finland in December based on long-term weather averages. There is 1 hour of sunshine per day on average with 22 days with some rainfall and typically 57 mm of rainfall in the month, which might fall as snow.

  • 0°C maximum daytime temperature in December in Turku0
    0°C max day temperature
  • 1 hour of sunshine per day
  • 22 days with some rainfall in December in Turku22
    22 days with some rainfall
  • -6°C minimum night-time temperature in December in Turku-6
    -6°C min night temperature
  • 6 hours of daylight per day in December in Turku6
    6 hours of daylight per day
  • No heat & humidity in December in Turku0
    No heat & humidity
  • 57 mm monthly rainfall in December in Turku57
    57 mm of monthly rainfall
  • No UV (maximum) index in December in Turku0
    No UV (Maximum) Index UV index
  • -1°C sea temperature in December in Turku-1
    -1°C sea temperature

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The December weather guide for Finland (Turku) 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 cold is it in Turku in December?

Daytime temperatures usually reach -0°C in Turku in December, falling to -6°C at night.

How sunny is it in Turku in December?

There are normally 1 hour of bright sunshine each day in Turku in December - that's 15% of daylight hours.

Is the sea cold around Turku in December?

The average sea temperature around Turku in December is -1°C.

Does it rain in Turku in December?

There are usually 22 days with some rain in Turku in December and the average monthly rainfall is 57mm. Rain may fall as snow in this month.

Turku December sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st December 2025 09:10 15:30
Tuesday, 16th December 2025 09:34 15:20
Wednesday, 31st December 2025 09:38 15:30

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