Weather in Koskennummi in May

General weather information about Koskennummi

Average annual temperature is 6.1 °C

Absolute maximum temperature: 30.1 °C

Absolute minimum temperature: -17.2 °C

Number of sunny days: 137 days

Number of rainy days: 181 days

Number of snow days: 47 days

Look at detailed online map of Koskennummi

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

Koskennummi air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)3.76.86.916.123.228.524.530.122.214.98.04.7
Average daytime temperature (°C)0.50.61.410.214.821.620.320.017.87.11.4-2.5
Average temperature (°C)-1.4-1.8-2.64.59.716.416.316.614.64.5-0.3-4.2
Average night temperature (°C)-3.2-4.7-7.4-1.03.810.112.213.411.52.2-2.3-6.1
Absolute minimum temperature (°C)-15.0-13.4-17.2-14.7-2.82.610.010.44.8-4.7-11.5-13.9

Koskennummi 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)6.79.111.814.717.318.918.115.712.910.17.45.9
Daylight minimum duration (h)5.07.010.013.016.018.017.014.011.08.06.05.0
Sunshine mean duration (h)1.23.35.711.213.115.413.09.37.65.01.40.5
Precipitation (mm)853693304551119182621438930
Sunny days1215819201854108810
Rainy days1571111111226272021155
Snow days46120000002716

Koskennummi - weather forecast by months

Koskennummi weather in januaryKoskennummi weather in februaryKoskennummi weather in marchKoskennummi weather in aprilKoskennummi weather in mayKoskennummi weather in juneKoskennummi weather in julyKoskennummi weather in augustKoskennummi weather in septemberKoskennummi weather in octoberKoskennummi weather in novemberKoskennummi weather in december

Best time to visit Koskennummi:

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

  • April — 11.2(h)
  • May — 13.1(h)
  • June — 15.4(h)
  • July — 13.0(h)
  • August — 9.3(h)

Months with the longest average daylight duration in Koskennummi:

  • May — 17.3(h)
  • June — 18.9(h)
  • July — 18.1(h)
  • August — 15.7(h)

The largest precipitation sum in Koskennummi is at

  • July — 119(mm)
  • August — 182(mm)
  • October — 143(mm)

    • Weather forecast in the closest to Koskennummi admin centers

    Weather forecast in the closest towns to Koskennummi

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    Frequently asked questions

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