Best year time to visit Kosamo

General weather information about Kosamo

Average annual temperature is 2.7 °C

Absolute maximum temperature: 27.0 °C

Absolute minimum temperature: -20.0 °C

Number of sunny days: 124 days

Number of rainy days: 147 days

Number of snow days: 94 days

Look at detailed online map of Kosamo

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

Kosamo air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)4.21.90.410.622.124.723.327.020.79.91.70.8
Average daytime temperature (°C)-3.4-4.3-4.25.212.717.818.119.514.51.5-3.6-6.4
Average temperature (°C)-5.1-6.4-7.4-0.17.813.714.815.811.6-0.3-5.3-7.8
Average night temperature (°C)-6.6-8.6-10.5-4.12.48.911.011.78.8-2.2-7.4-9.6
Absolute minimum temperature (°C)-18.8-16.5-20.0-10.2-5.91.67.37.22.9-8.4-14.6-16.6

Kosamo monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)6.09.013.016.020.022.021.018.014.011.07.04.0
Daylight mean duration (h)5.18.411.815.318.922.020.316.613.19.66.23.7
Daylight minimum duration (h)3.06.010.013.017.020.018.014.011.07.04.03.0
Sunshine mean duration (h)0.61.15.210.511.513.29.110.65.22.70.40.1
Precipitation (mm)64265143453112993142853939
Sunny days8982014125106101012
Rainy days822715182621241671
Snow days15172132000051318

Kosamo - weather forecast by months

Kosamo weather in januaryKosamo weather in februaryKosamo weather in marchKosamo weather in aprilKosamo weather in mayKosamo weather in juneKosamo weather in julyKosamo weather in augustKosamo weather in septemberKosamo weather in octoberKosamo weather in novemberKosamo weather in december

Best time to visit Kosamo:

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

  • April — 10.5(h)
  • May — 11.5(h)
  • June — 13.2(h)
  • July — 9.1(h)
  • August — 10.6(h)

Months with the longest average daylight duration in Kosamo:

  • May — 18.9(h)
  • June — 22.0(h)
  • July — 20.3(h)
  • August — 16.6(h)

The largest precipitation sum in Kosamo is at

  • July — 129(mm)
  • August — 93(mm)
  • September — 142(mm)
  • October — 85(mm)

    • Weather forecast in the closest to Kosamo admin centers

    Weather forecast in the closest towns to Kosamo

    Explore Kosamo

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    Frequently asked questions

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