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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Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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. Rain may fall as snow in this month.

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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