Best year time to visit Helaakoski

General weather information about Helaakoski

Average annual temperature is 3.9 °C

Absolute maximum temperature: 29.2 °C

Absolute minimum temperature: -22.6 °C

Number of sunny days: 128 days

Number of rainy days: 153 days

Number of snow days: 84 days

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

Helaakoski air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)5.05.23.815.524.129.225.528.722.911.44.74.3
Average daytime temperature (°C)-1.6-1.4-1.96.914.220.019.320.616.13.5-1.9-5.0
Average temperature (°C)-3.8-4.2-5.80.89.115.315.716.512.90.7-4.3-6.9
Average night temperature (°C)-6.7-7.5-10.3-4.33.29.111.511.99.4-1.8-7.4-9.3
Absolute minimum temperature (°C)-20.7-16.4-17.1-12.2-6.31.67.87.21.0-9.9-22.6-17.6

Helaakoski monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)6.010.013.016.020.021.021.018.014.011.07.04.0
Daylight mean duration (h)5.58.511.815.118.521.019.716.413.09.76.54.3
Daylight minimum duration (h)4.07.010.013.016.020.018.014.011.08.05.03.0
Sunshine mean duration (h)1.22.26.39.613.014.410.810.26.04.40.80.2
Precipitation (mm)532237495963156861121016042
Sunny days812122014153771299
Rainy days1241714152824231573
Snow days11121833000041419

Helaakoski - weather forecast by months

Helaakoski weather in januaryHelaakoski weather in februaryHelaakoski weather in marchHelaakoski weather in aprilHelaakoski weather in mayHelaakoski weather in juneHelaakoski weather in julyHelaakoski weather in augustHelaakoski weather in septemberHelaakoski weather in octoberHelaakoski weather in novemberHelaakoski weather in december

Best time to visit Helaakoski:

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

  • April — 9.6(h)
  • May — 13.0(h)
  • June — 14.4(h)
  • July — 10.8(h)
  • August — 10.2(h)

Months with the longest average daylight duration in Helaakoski:

  • May — 18.5(h)
  • June — 21.0(h)
  • July — 19.7(h)
  • August — 16.4(h)

The largest precipitation sum in Helaakoski is at

  • July — 156(mm)
  • September — 112(mm)
  • October — 101(mm)

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    Frequently asked questions

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