Weather in Ii in May

General weather information about Ii

Average annual temperature is 3.0 °C

Absolute maximum temperature: 29.1 °C

Absolute minimum temperature: -23.4 °C

Number of sunny days: 130 days

Number of rainy days: 147 days

Number of snow days: 88 days

Look at detailed online map of Ii

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

Ii air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)4.84.11.813.621.926.925.329.120.210.82.61.9
Average daytime temperature (°C)-2.4-3.2-3.65.811.818.519.120.114.92.2-2.9-5.9
Average temperature (°C)-4.5-5.7-7.20.77.014.515.616.311.9-0.3-5.0-7.6
Average night temperature (°C)-7.0-8.6-11.0-3.81.89.411.412.48.6-2.9-7.3-10.1
Absolute minimum temperature (°C)-18.9-17.3-23.4-11.3-4.82.47.87.50.5-10.2-16.0-17.8

Ii 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)0.72.16.010.412.714.210.910.36.23.40.70.1
Precipitation (mm)742749387278104106159914536
Sunny days1110921161178314119
Rainy days923613192423271353
Snow days11161932000041419

Ii - weather forecast by months

Ii weather in januaryIi weather in februaryIi weather in marchIi weather in aprilIi weather in mayIi weather in juneIi weather in julyIi weather in augustIi weather in septemberIi weather in octoberIi weather in novemberIi weather in december

Best time to visit Ii:

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

  • April — 10.4(h)
  • May — 12.7(h)
  • June — 14.2(h)
  • July — 10.9(h)
  • August — 10.3(h)

Months with the longest average daylight duration in Ii:

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

The largest precipitation sum in Ii is at

  • July — 104(mm)
  • August — 106(mm)
  • September — 159(mm)

    • Weather forecast in the closest to Ii admin centers

    Weather forecast in the closest towns to Ii

    Explore Ii

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    Frequently asked questions

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