Best year time to visit Keltanummi

General weather information about Keltanummi

Average annual temperature is 6.1 °C

Absolute maximum temperature: 29.5 °C

Absolute minimum temperature: -20.6 °C

Number of sunny days: 130 days

Number of rainy days: 175 days

Number of snow days: 60 days

Look at detailed online map of Keltanummi

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

Keltanummi air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)3.66.37.516.923.829.124.629.521.914.88.04.4
Average daytime temperature (°C)0.30.01.210.015.521.920.220.218.07.01.5-2.7
Average temperature (°C)-1.6-2.2-2.34.710.316.716.316.914.74.4-0.2-4.6
Average night temperature (°C)-3.6-5.8-6.7-0.83.910.011.813.511.21.7-2.2-7.0
Absolute minimum temperature (°C)-15.8-15.3-18.2-14.4-3.33.09.211.02.9-5.5-12.1-20.6

Keltanummi 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)6.79.111.814.617.318.918.115.712.910.17.55.9
Daylight minimum duration (h)5.07.010.013.016.018.017.014.011.08.06.05.0
Sunshine mean duration (h)1.02.65.811.212.915.312.89.07.34.81.10.4
Precipitation (mm)84387820452788164431078939
Sunny days11139212018378758
Rainy days12599101228242223147
Snow days8101301000011116

Keltanummi - weather forecast by months

Keltanummi weather in januaryKeltanummi weather in februaryKeltanummi weather in marchKeltanummi weather in aprilKeltanummi weather in mayKeltanummi weather in juneKeltanummi weather in julyKeltanummi weather in augustKeltanummi weather in septemberKeltanummi weather in octoberKeltanummi weather in novemberKeltanummi weather in december

Best time to visit Keltanummi:

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

  • April — 11.2(h)
  • May — 12.9(h)
  • June — 15.3(h)
  • July — 12.8(h)
  • August — 9.0(h)

Months with the longest average daylight duration in Keltanummi:

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

The largest precipitation sum in Keltanummi is at

  • July — 88(mm)
  • August — 164(mm)
  • October — 107(mm)
  • November — 89(mm)

    • Weather forecast in the closest to Keltanummi admin centers

    Weather forecast in the closest towns to Keltanummi

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    Frequently asked questions

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