Best year time to visit Iso-Rahi

General weather information about Iso-Rahi

Average annual temperature is 6.4 °C

Absolute maximum temperature: 29.9 °C

Absolute minimum temperature: -14.4 °C

Number of sunny days: 143 days

Number of rainy days: 179 days

Number of snow days: 43 days

Look at detailed online map of Iso-Rahi

* Weather data for Iso-Rahi Finland is based on climate observations for 2026 year

Iso-Rahi air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)4.05.74.713.922.627.422.129.921.014.28.05.2
Average daytime temperature (°C)1.20.70.78.612.420.319.419.417.17.11.7-2.1
Average temperature (°C)-0.3-1.1-2.03.99.216.416.916.915.15.30.1-3.6
Average night temperature (°C)-1.9-3.4-5.3-0.75.411.414.114.613.13.4-2.1-5.4
Absolute minimum temperature (°C)-11.5-12.1-14.4-12.9-1.75.211.911.88.4-3.7-12.3-13.3

Iso-Rahi 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)6.79.111.814.717.318.918.115.712.910.17.45.9
Daylight minimum duration (h)5.07.010.013.016.018.017.014.011.08.06.05.0
Sunshine mean duration (h)1.43.65.810.613.616.013.89.48.25.01.70.5
Precipitation (mm)76398430321778189501227927
Sunny days10171019221945126910
Rainy days166101181127261825156
Snow days55110100000615

Iso-Rahi - weather forecast by months

Iso-Rahi weather in januaryIso-Rahi weather in februaryIso-Rahi weather in marchIso-Rahi weather in aprilIso-Rahi weather in mayIso-Rahi weather in juneIso-Rahi weather in julyIso-Rahi weather in augustIso-Rahi weather in septemberIso-Rahi weather in octoberIso-Rahi weather in novemberIso-Rahi weather in december

Best time to visit Iso-Rahi:

The best time to visit Iso-Rahi during the most sunny months:

  • April — 10.6(h)
  • May — 13.6(h)
  • June — 16.0(h)
  • July — 13.8(h)
  • August — 9.4(h)

Months with the longest average daylight duration in Iso-Rahi:

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

The largest precipitation sum in Iso-Rahi is at

  • August — 189(mm)
  • October — 122(mm)

    • Weather forecast in the closest to Iso-Rahi admin centers

    Weather forecast in the closest towns to Iso-Rahi

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    Frequently asked questions

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