Weather in Helsinki in January

General weather information about Helsinki

Average annual temperature is 6.0 °C

Absolute maximum temperature: 28.8 °C

Absolute minimum temperature: -14.7 °C

Number of sunny days: 125 days

Number of rainy days: 182 days

Number of snow days: 58 days

Look at detailed online map of Helsinki

* Weather data for Helsinki Finland is based on climate observations for 2026 year

Helsinki air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)3.35.86.317.223.128.824.128.521.614.77.93.9
Average daytime temperature (°C)-0.3-0.30.99.515.121.620.320.518.06.81.4-3.0
Average temperature (°C)-2.2-2.7-2.23.810.216.516.416.914.84.4-0.2-4.7
Average night temperature (°C)-4.3-6.3-5.6-1.44.410.112.413.411.61.9-2.3-6.9
Absolute minimum temperature (°C)-14.6-14.6-13.5-8.8-2.03.49.910.55.0-4.1-11.8-14.7

Helsinki monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)7.010.013.015.018.019.018.016.014.011.08.06.0
Daylight mean duration (h)6.89.111.814.617.318.818.115.612.910.17.55.9
Daylight minimum duration (h)5.07.010.013.016.018.017.014.011.08.06.05.0
Sunshine mean duration (h)0.92.35.711.212.715.513.09.07.44.11.00.5
Precipitation (mm)10643802343259015054968164
Sunny days9129211918268768
Rainy days13699121229252221168
Snow days910130000003815

Helsinki - weather forecast by months

Helsinki weather in januaryHelsinki weather in februaryHelsinki weather in marchHelsinki weather in aprilHelsinki weather in mayHelsinki weather in juneHelsinki weather in julyHelsinki weather in augustHelsinki weather in septemberHelsinki weather in octoberHelsinki weather in novemberHelsinki weather in december

Best time to visit Helsinki:

The best time to visit Helsinki during the most sunny months:

  • April — 11.2(h)
  • May — 12.7(h)
  • June — 15.5(h)
  • July — 13.0(h)
  • August — 9.0(h)

Months with the longest average daylight duration in Helsinki:

  • May — 17.3(h)
  • June — 18.8(h)
  • July — 18.1(h)
  • August — 15.6(h)

The largest precipitation sum in Helsinki is at

  • January — 106(mm)
  • July — 90(mm)
  • August — 150(mm)
  • October — 96(mm)

    • Weather forecast in the closest to Helsinki admin centers

    Weather forecast in the closest towns to Helsinki

    Explore Helsinki

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    MapTrains schedule
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    Frequently asked questions

    When is the best time to visit Helsinki?
    The historical weather data above shows the warmest, sunniest and driest months to help you choose the best time to visit Helsinki.
    What is the weather like in Helsinki?
    See average temperature, rainfall and daylight hours for Helsinki by month in the table above.
    How many sunny days does Helsinki have?
    The monthly weather statistics above show sunshine and rainfall patterns for Helsinki throughout the year.