Best year time to visit Koisjärvi

General weather information about Koisjärvi

Average annual temperature is 5.9 °C

Absolute maximum temperature: 29.4 °C

Absolute minimum temperature: -18.7 °C

Number of sunny days: 129 days

Number of rainy days: 182 days

Number of snow days: 54 days

Look at detailed online map of Koisjärvi

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

Koisjärvi air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)3.36.06.617.223.629.424.328.521.814.87.53.9
Average daytime temperature (°C)-0.2-0.31.09.815.421.920.120.117.96.81.4-2.9
Average temperature (°C)-2.4-2.9-2.53.910.316.616.316.814.74.4-0.2-4.7
Average night temperature (°C)-5.0-7.2-6.7-1.74.210.112.413.611.52.0-2.0-6.8
Absolute minimum temperature (°C)-18.7-16.8-16.2-9.3-2.03.59.911.04.9-3.5-11.8-15.3

Koisjärvi 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)1.02.55.711.312.815.513.19.37.54.21.10.5
Precipitation (mm)8939781651176913844948856
Sunny days91310212018466868
Rainy days137109101227252422167
Snow days98110100001816

Koisjärvi - weather forecast by months

Koisjärvi weather in januaryKoisjärvi weather in februaryKoisjärvi weather in marchKoisjärvi weather in aprilKoisjärvi weather in mayKoisjärvi weather in juneKoisjärvi weather in julyKoisjärvi weather in augustKoisjärvi weather in septemberKoisjärvi weather in octoberKoisjärvi weather in novemberKoisjärvi weather in december

Best time to visit Koisjärvi:

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

  • April — 11.3(h)
  • May — 12.8(h)
  • June — 15.5(h)
  • July — 13.1(h)
  • August — 9.3(h)

Months with the longest average daylight duration in Koisjärvi:

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

The largest precipitation sum in Koisjärvi is at

  • January — 89(mm)
  • August — 138(mm)
  • October — 94(mm)
  • November — 88(mm)

    • Weather forecast in the closest to Koisjärvi admin centers

    Weather forecast in the closest towns to Koisjärvi

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    Frequently asked questions

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