Best year time to visit Isola

General weather information about Isola

Average annual temperature is 1.6 °C

Absolute maximum temperature: 25.4 °C

Absolute minimum temperature: -24.9 °C

Number of sunny days: 142 days

Number of rainy days: 128 days

Number of snow days: 95 days

Look at detailed online map of Isola

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

Isola air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)2.72.0-0.49.522.324.525.225.420.58.61.40.5
Average daytime temperature (°C)-3.6-4.8-5.14.512.316.918.218.613.70.0-5.7-7.2
Average temperature (°C)-5.9-7.2-8.8-0.37.712.814.414.710.6-2.0-7.9-9.1
Average night temperature (°C)-8.1-9.9-12.8-5.01.97.510.010.47.1-4.5-10.4-11.2
Absolute minimum temperature (°C)-19.3-22.6-20.7-13.6-8.80.64.43.6-1.5-11.8-24.9-23.9

Isola monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)6.09.013.017.022.024.024.019.014.011.07.03.0
Daylight mean duration (h)4.28.011.715.619.823.921.817.013.29.45.62.3
Daylight minimum duration (h)2.06.09.013.017.022.019.015.011.07.03.01.0
Sunshine mean duration (h)0.30.95.410.611.613.710.48.54.52.10.30.0
Precipitation (mm)51334026416086110122691926
Sunny days9612201413899121713
Rainy days24261517232221943
Snow days20181742000010915

Isola - weather forecast by months

Isola weather in januaryIsola weather in februaryIsola weather in marchIsola weather in aprilIsola weather in mayIsola weather in juneIsola weather in julyIsola weather in augustIsola weather in septemberIsola weather in octoberIsola weather in novemberIsola weather in december

Best time to visit Isola:

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

  • April — 10.6(h)
  • May — 11.6(h)
  • June — 13.7(h)
  • July — 10.4(h)
  • August — 8.5(h)

Months with the longest average daylight duration in Isola:

  • May — 19.8(h)
  • June — 23.9(h)
  • July — 21.8(h)
  • August — 17.0(h)

The largest precipitation sum in Isola is at

  • July — 86(mm)
  • August — 110(mm)
  • September — 122(mm)

    • Weather forecast in the closest to Isola admin centers

    Weather forecast in the closest towns to Isola

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    Frequently asked questions

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