Best year time to visit Itämeri

General weather information about Itämeri

Average annual temperature is 4.6 °C

Absolute maximum temperature: 28.8 °C

Absolute minimum temperature: -19.5 °C

Number of sunny days: 121 days

Number of rainy days: 166 days

Number of snow days: 78 days

Look at detailed online map of Itämeri

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

Itämeri air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)2.84.74.315.222.128.124.728.821.512.45.63.5
Average daytime temperature (°C)-1.5-1.5-0.78.314.620.319.819.616.84.4-1.3-4.6
Average temperature (°C)-3.2-4.0-4.22.59.615.616.116.313.61.8-2.9-6.5
Average night temperature (°C)-5.1-7.4-8.0-2.83.99.812.312.810.5-0.6-4.3-8.8
Absolute minimum temperature (°C)-13.7-19.5-16.1-13.9-3.51.310.48.35.0-7.3-15.3-15.1

Itämeri monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)7.010.013.016.019.019.019.017.014.011.08.05.0
Daylight mean duration (h)6.28.811.814.917.819.718.816.013.09.97.05.2
Daylight minimum duration (h)5.07.010.013.016.019.017.014.011.08.05.05.0
Sunshine mean duration (h)0.62.84.910.512.014.411.39.56.23.90.10.2
Precipitation (mm)682557333439162154109747036
Sunny days61292214134771278
Rainy days11198151727242315124
Snow days14151302000041119

Itämeri - weather forecast by months

Itämeri weather in januaryItämeri weather in februaryItämeri weather in marchItämeri weather in aprilItämeri weather in mayItämeri weather in juneItämeri weather in julyItämeri weather in augustItämeri weather in septemberItämeri weather in octoberItämeri weather in novemberItämeri weather in december

Best time to visit Itämeri:

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

  • April — 10.5(h)
  • May — 12.0(h)
  • June — 14.4(h)
  • July — 11.3(h)
  • August — 9.5(h)

Months with the longest average daylight duration in Itämeri:

  • May — 17.8(h)
  • June — 19.7(h)
  • July — 18.8(h)
  • August — 16.0(h)

The largest precipitation sum in Itämeri is at

  • July — 162(mm)
  • August — 154(mm)
  • September — 109(mm)

    • Weather forecast in the closest to Itämeri admin centers

    Weather forecast in the closest towns to Itämeri

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    Frequently asked questions

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