Best year time to visit Koillismaa

General weather information about Koillismaa

Average annual temperature is 1.5 °C

Absolute maximum temperature: 25.3 °C

Absolute minimum temperature: -20.0 °C

Number of sunny days: 116 days

Number of rainy days: 143 days

Number of snow days: 106 days

Look at detailed online map of Koillismaa

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

Koillismaa air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)3.51.3-0.88.420.922.922.325.319.28.70.7-1.1
Average daytime temperature (°C)-4.3-5.5-5.43.811.416.416.918.313.30.3-5.2-7.5
Average temperature (°C)-6.1-7.5-8.5-0.86.712.413.614.810.7-1.5-6.9-9.1
Average night temperature (°C)-7.9-9.6-11.8-5.31.37.710.011.07.8-3.3-9.0-11.1
Absolute minimum temperature (°C)-18.2-17.9-19.5-12.5-6.30.95.45.31.6-11.1-16.4-20.0

Koillismaa monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)6.09.013.017.021.024.023.018.014.011.07.04.0
Daylight mean duration (h)4.88.211.815.419.323.220.816.813.19.65.93.2
Daylight minimum duration (h)3.06.09.013.017.021.018.014.011.07.04.02.0
Sunshine mean duration (h)0.41.34.910.511.414.19.010.34.82.40.10.1
Precipitation (mm)552750304760121112104743040
Sunny days878201411310510128
Rainy days223414192821251654
Snow days21192063000051319

Koillismaa - weather forecast by months

Koillismaa weather in januaryKoillismaa weather in februaryKoillismaa weather in marchKoillismaa weather in aprilKoillismaa weather in mayKoillismaa weather in juneKoillismaa weather in julyKoillismaa weather in augustKoillismaa weather in septemberKoillismaa weather in octoberKoillismaa weather in novemberKoillismaa weather in december

Best time to visit Koillismaa:

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

  • April — 10.5(h)
  • May — 11.4(h)
  • June — 14.1(h)
  • July — 9.0(h)
  • August — 10.3(h)

Months with the longest average daylight duration in Koillismaa:

  • May — 19.3(h)
  • June — 23.2(h)
  • July — 20.8(h)
  • August — 16.8(h)

The largest precipitation sum in Koillismaa is at

  • July — 121(mm)
  • August — 112(mm)
  • September — 104(mm)

    • Weather forecast in the closest to Koillismaa admin centers

    Weather forecast in the closest towns to Koillismaa

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    Frequently asked questions

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