Best year time to visit Koosanmaa

General weather information about Koosanmaa

Average annual temperature is 5.3 °C

Absolute maximum temperature: 29.9 °C

Absolute minimum temperature: -18.4 °C

Number of sunny days: 122 days

Number of rainy days: 179 days

Number of snow days: 64 days

Look at detailed online map of Koosanmaa

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

Koosanmaa air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)3.25.75.117.123.229.424.129.921.813.87.03.9
Average daytime temperature (°C)-0.6-0.60.39.915.321.120.019.717.65.70.1-3.7
Average temperature (°C)-2.3-3.0-3.44.29.916.015.816.114.03.0-1.4-5.6
Average night temperature (°C)-4.1-6.5-7.8-1.43.69.411.212.510.40.5-3.4-8.0
Absolute minimum temperature (°C)-14.5-15.3-18.4-13.4-3.91.99.29.72.2-6.9-13.4-15.5

Koosanmaa 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)6.59.011.814.717.519.218.315.812.910.07.35.7
Daylight minimum duration (h)5.07.010.013.016.018.017.014.011.08.06.05.0
Sunshine mean duration (h)1.02.75.411.412.314.711.98.97.54.40.70.2
Precipitation (mm)743087254639150204511128432
Sunny days10136191815569858
Rainy days1241111131526252119139
Snow days9111400000041214

Koosanmaa - weather forecast by months

Koosanmaa weather in januaryKoosanmaa weather in februaryKoosanmaa weather in marchKoosanmaa weather in aprilKoosanmaa weather in mayKoosanmaa weather in juneKoosanmaa weather in julyKoosanmaa weather in augustKoosanmaa weather in septemberKoosanmaa weather in octoberKoosanmaa weather in novemberKoosanmaa weather in december

Best time to visit Koosanmaa:

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

  • April — 11.4(h)
  • May — 12.3(h)
  • June — 14.7(h)
  • July — 11.9(h)
  • August — 8.9(h)

Months with the longest average daylight duration in Koosanmaa:

  • May — 17.5(h)
  • June — 19.2(h)
  • July — 18.3(h)
  • August — 15.8(h)

The largest precipitation sum in Koosanmaa is at

  • July — 150(mm)
  • August — 204(mm)
  • October — 112(mm)

    • Weather forecast in the closest to Koosanmaa admin centers

    Weather forecast in the closest towns to Koosanmaa

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    Frequently asked questions

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