Best year time to visit Hermu

General weather information about Hermu

Average annual temperature is 5.7 °C

Absolute maximum temperature: 31.2 °C

Absolute minimum temperature: -18.0 °C

Number of sunny days: 145 days

Number of rainy days: 164 days

Number of snow days: 56 days

Look at detailed online map of Hermu

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

Hermu air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)4.36.25.916.122.729.224.631.223.714.77.05.4
Average daytime temperature (°C)0.10.30.710.014.920.920.120.118.06.40.4-3.0
Average temperature (°C)-1.6-2.1-2.94.19.816.016.016.614.43.8-1.2-5.0
Average night temperature (°C)-3.3-5.2-7.5-1.24.010.312.013.211.01.5-3.3-7.6
Absolute minimum temperature (°C)-13.7-14.7-18.0-11.4-3.33.09.99.93.7-6.4-14.5-16.7

Hermu monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)7.010.013.016.018.019.019.017.014.011.08.06.0
Daylight mean duration (h)6.59.011.814.717.519.218.415.812.910.07.35.6
Daylight minimum duration (h)5.07.010.013.016.018.017.014.011.08.06.05.0
Sunshine mean duration (h)1.12.95.610.912.815.312.39.07.64.70.90.4
Precipitation (mm)74299360402716016997978824
Sunny days1117920191856711913
Rainy days1031010111226252319132
Snow days108120100001816

Hermu - weather forecast by months

Hermu weather in januaryHermu weather in februaryHermu weather in marchHermu weather in aprilHermu weather in mayHermu weather in juneHermu weather in julyHermu weather in augustHermu weather in septemberHermu weather in octoberHermu weather in novemberHermu weather in december

Best time to visit Hermu:

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

  • April — 10.9(h)
  • May — 12.8(h)
  • June — 15.3(h)
  • July — 12.3(h)
  • August — 9.0(h)

Months with the longest average daylight duration in Hermu:

  • May — 17.5(h)
  • June — 19.2(h)
  • July — 18.4(h)
  • August — 15.8(h)

The largest precipitation sum in Hermu is at

  • July — 160(mm)
  • August — 169(mm)

    • Weather forecast in the closest to Hermu admin centers

    Weather forecast in the closest towns to Hermu

    Explore Hermu

    See also
    MapTrains schedule
    Plan your trip
    AccommodationExperiencesBlog

    Frequently asked questions

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