Finland weather in January 2025

Expect -4°C daytime maximum temperatures in the shade with on average 1 hours of sunshine per day in Finland in January. Check more long-term weather averages for Finland in January before you book your next holiday to Finland in 2025/2026.

  • -4°C maximum daytime temperature in January in Finland (Helsinki)-4
    -4°C max day temperature
  • 1 hour of sunshine per day
  • 20 days with some rainfall in January in Finland (Helsinki)20
    20 days with some rainfall
  • -10°C minimum night-time temperature in January in Finland (Helsinki)-10
    -10°C min night temperature
  • 7 hours of daylight per day in January in Finland (Helsinki)7
    7 hours of daylight per day
  • No heat & humidity in January in Finland (Helsinki)0
    No heat & humidity
  • 43 mm monthly rainfall in January in Finland (Helsinki)43
    43 mm of monthly rainfall
  • No UV (maximum) index in January in Finland (Helsinki)0
    No UV (Maximum) Index UV index
  • 1°C sea temperature in January in Finland (Helsinki)1
    1°C sea temperature

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The January weather guide for Finland (Helsinki) 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.

Top Finland destinations

Below are average maximum temperatures at popular countries, regions and places in Finland in January. Select a holiday destination to see more weather parameters.

All Finland destinations

Metric (°C / mm)  |  Imperial (°F / inches)

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How cold is it in Finland in January?

Daytime temperatures usually reach -4°C in Helsinki, Finland in January, falling to -10°C at night.

How sunny is it in Finland in January?

There are normally 1 hour of bright sunshine each day in Helsinki, Finland in January - that's 13% of daylight hours.

Is the sea cold around Finland in January?

The average sea temperature around Helsinki, Finland in January is 1°C.

Does it rain in Finland in January?

There are usually 20 days with some rain in Helsinki, Finland in January and the average monthly rainfall is 43mm. Rain may fall as snow in this month.

Finland January sunrise & sunset times

Browse the sunrise and sunset times for Finland in January 2025. Select a month to view Finland sunrise and sunset times for the next 12 months. The Finland sunrise and sunset times shown below are for Helsinki.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st January 2025 09:24 15:24
Thursday, 16th January 2025 09:07 15:53
Friday, 31st January 2025 08:37 16:31

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