Best year time to visit Isola

General weather information about Isola

Average annual temperature is 2.2 °C

Absolute maximum temperature: 26.9 °C

Absolute minimum temperature: -22.5 °C

Number of sunny days: 126 days

Number of rainy days: 143 days

Number of snow days: 96 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)4.01.90.311.022.124.223.626.919.89.41.40.2
Average daytime temperature (°C)-3.6-4.6-4.65.212.117.718.019.014.10.7-4.2-6.9
Average temperature (°C)-5.5-6.8-8.20.07.313.614.715.311.1-1.3-6.1-8.5
Average night temperature (°C)-7.4-9.2-11.9-4.81.48.310.511.17.9-3.5-8.4-10.6
Absolute minimum temperature (°C)-18.8-18.2-21.8-12.0-5.61.66.76.11.6-11.7-16.2-22.5

Isola monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)6.09.013.017.021.024.023.018.014.011.07.04.0
Daylight mean duration (h)4.88.211.815.419.323.220.816.813.19.65.93.2
Daylight minimum duration (h)3.06.09.013.017.021.018.014.011.07.04.02.0
Sunshine mean duration (h)0.41.75.510.712.014.110.39.95.42.50.40.0
Precipitation (mm)57264137523793140141733329
Sunny days97921151068615119
Rainy days521714202523241264
Snow days17192122000041318

Best time to visit Isola:

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

  • April — 10.7(h)
  • May — 12.0(h)
  • June — 14.1(h)
  • July — 10.3(h)
  • August — 9.9(h)

Months with the longest average daylight duration in Isola:

  • May — 19.3(h)
  • June — 23.2(h)
  • July — 20.8(h)
  • August — 16.8(h)

The largest precipitation sum in Isola is at

  • July — 93(mm)
  • August — 140(mm)
  • September — 141(mm)
  • 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.