Helsinki weather in January 2020

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

Guide to Helsinki weather in January

The average maximum daytime temperature in Helsinki in January is a very cold -4°C (25°F). The average night-time temperature is usually a very cold -10°C (14°F). There is usually 1 hour of bright sunshine each day, which represents 13% of the 7 hours of daylight.

Expect 43mm (1.7 inches) of rainfall across the whole of January with 20 days with some rain falling.

The average sea temperature in and around Helsinki in January is 1°C (34°F).

Helsinki sunrise & sunset times for January 2020

Browse the sunrise & sunset times for Helsinki in January 2020. Select a month to view Helsinki sunrise & sunset times for the next twelve months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st January 2020 09:24 15:23
Thursday, 16th January 2020 09:08 15:52
Friday, 31st January 2020 08:39 16:29
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