Weather in Iisalmi in December

General weather information about Iisalmi

Average annual temperature is 3.8 °C

Absolute maximum temperature: 27.9 °C

Absolute minimum temperature: -22.1 °C

Number of sunny days: 111 days

Number of rainy days: 175 days

Number of snow days: 79 days

Look at detailed online map of Iisalmi

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

Iisalmi air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)2.73.33.015.622.027.924.127.721.011.22.12.6
Average daytime temperature (°C)-2.4-2.9-1.97.314.119.618.620.215.93.3-2.7-5.6
Average temperature (°C)-4.1-5.3-5.41.09.315.015.416.713.11.2-4.4-7.0
Average night temperature (°C)-6.1-7.8-9.5-4.13.99.612.112.910.2-0.9-6.2-8.3
Absolute minimum temperature (°C)-17.0-18.2-22.1-11.2-4.10.19.47.85.7-9.1-17.4-14.8

Iisalmi monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)7.010.013.016.019.020.020.017.014.011.08.05.0
Daylight mean duration (h)5.88.711.815.018.220.419.316.213.09.86.74.7
Daylight minimum duration (h)4.07.010.013.016.019.017.014.011.08.05.04.0
Sunshine mean duration (h)1.02.45.310.112.114.39.910.46.13.30.20.3
Precipitation (mm)73285830426517197102616344
Sunny days910122112103103957
Rainy days8589182028212716123
Snow days14131101000061321

Iisalmi - weather forecast by months

Iisalmi weather in januaryIisalmi weather in februaryIisalmi weather in marchIisalmi weather in aprilIisalmi weather in mayIisalmi weather in juneIisalmi weather in julyIisalmi weather in augustIisalmi weather in septemberIisalmi weather in octoberIisalmi weather in novemberIisalmi weather in december

Best time to visit Iisalmi:

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

  • April — 10.1(h)
  • May — 12.1(h)
  • June — 14.3(h)
  • July — 9.9(h)
  • August — 10.4(h)

Months with the longest average daylight duration in Iisalmi:

  • May — 18.2(h)
  • June — 20.4(h)
  • July — 19.3(h)
  • August — 16.2(h)

The largest precipitation sum in Iisalmi is at

  • July — 171(mm)
  • August — 97(mm)
  • September — 102(mm)

    • Weather forecast in the closest to Iisalmi admin centers

    Weather forecast in the closest towns to Iisalmi

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    Frequently asked questions

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