Helsinki weather in January 2021

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  • -4°C maximum daytime temperature in January in Helsinki-4
    -4°C max day temperature
  • 1 hour of sunshine per day
  • 20 days with some rainfall in January in Helsinki20
    20 days with some rainfall
  • -10°C minimum night-time temperature in January in Helsinki-10
    -10°C min night temperature
  • 7 hours of daylight per day in January in Helsinki7
    7 hours of daylight per day
  • No heat & humidity in January in Helsinki0
    No heat & humidity
  • 43 mm monthly rainfall in January in Helsinki43
    43 mm of monthly rainfall
  • No UV (maximum) index in January in Helsinki0
    No UV (Maximum) Index UV index
  • 1°C sea temperature in January in Helsinki1
    1°C sea temperature
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The January weather guide for Helsinki, Finland 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.

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How cold is it in Helsinki in January?

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

How sunny is it in Helsinki in January?

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

Is the sea cold around Helsinki in January?

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

Does it rain in Helsinki in January?

There are usually 20 days with some rain in Helsinki in January and the average monthly rainfall is 43mm.

Helsinki sunrise & sunset times for January 2021

Browse the sunrise & sunset times for Helsinki in January 2021. Select a month to view Helsinki sunrise & sunset times for the next twelve months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st January 2021 09:24 15:24
Saturday, 16th January 2021 09:07 15:53
Sunday, 31st January 2021 08:37 16:31
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Metric (°C / mm)  |  Imperial (°F / inches)

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Where is warm in Finland in January for 2021/2022?

Below are average maximum temperatures at popular destinations in Finland in January. Select a destination to see more weather parameters.

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