Weather in Isokumpu in May

General weather information about Isokumpu

Average annual temperature is 2.0 °C

Absolute maximum temperature: 26.1 °C

Absolute minimum temperature: -21.3 °C

Number of sunny days: 121 days

Number of rainy days: 143 days

Number of snow days: 101 days

Look at detailed online map of Isokumpu

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

Isokumpu air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)4.11.5-0.39.721.724.223.026.119.99.20.80.2
Average daytime temperature (°C)-4.0-5.0-4.84.712.217.317.718.814.00.9-4.4-7.0
Average temperature (°C)-5.7-7.1-8.2-0.57.413.114.115.111.0-1.1-6.2-8.6
Average night temperature (°C)-7.5-9.5-11.8-5.61.57.810.010.98.0-3.1-8.2-10.5
Absolute minimum temperature (°C)-20.3-18.7-21.3-13.8-6.31.26.35.61.8-9.4-15.8-19.3

Isokumpu monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)6.09.013.017.020.023.022.018.014.011.07.04.0
Daylight mean duration (h)4.98.311.815.319.122.420.516.713.19.66.13.5
Daylight minimum duration (h)3.06.010.013.017.021.018.014.011.07.04.03.0
Sunshine mean duration (h)0.51.15.010.611.513.38.910.25.22.70.30.1
Precipitation (mm)582850534851122114115713542
Sunny days99820131051279118
Rainy days613716202619231561
Snow days16182032000071322

Isokumpu - weather forecast by months

Isokumpu weather in januaryIsokumpu weather in februaryIsokumpu weather in marchIsokumpu weather in aprilIsokumpu weather in mayIsokumpu weather in juneIsokumpu weather in julyIsokumpu weather in augustIsokumpu weather in septemberIsokumpu weather in octoberIsokumpu weather in novemberIsokumpu weather in december

Best time to visit Isokumpu:

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

  • April — 10.6(h)
  • May — 11.5(h)
  • June — 13.3(h)
  • July — 8.9(h)
  • August — 10.2(h)

Months with the longest average daylight duration in Isokumpu:

  • May — 19.1(h)
  • June — 22.4(h)
  • July — 20.5(h)
  • August — 16.7(h)

The largest precipitation sum in Isokumpu is at

  • July — 122(mm)
  • August — 114(mm)
  • September — 115(mm)

    • Weather forecast in the closest to Isokumpu admin centers

    Weather forecast in the closest towns to Isokumpu

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    Frequently asked questions

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