Best year time to visit Sommarö

General weather information about Sommarö

Average annual temperature is 6.9 °C

Absolute maximum temperature: 27.7 °C

Absolute minimum temperature: -14.7 °C

Number of sunny days: 124 days

Number of rainy days: 199 days

Number of snow days: 42 days

Look at detailed online map of Sommarö

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

Sommarö air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)4.36.86.314.520.727.723.526.921.115.19.05.2
Average daytime temperature (°C)1.20.91.18.314.120.719.719.717.78.12.7-1.5
Average temperature (°C)-0.4-1.0-1.54.510.116.816.717.415.66.01.3-3.3
Average night temperature (°C)-2.3-3.7-4.70.74.911.513.215.012.93.5-0.5-5.3
Absolute minimum temperature (°C)-12.5-13.6-14.4-6.8-1.94.010.412.86.1-3.1-10.4-14.7

Sommarö monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)7.010.013.015.018.018.018.016.014.011.08.06.0
Daylight mean duration (h)6.99.211.814.617.218.717.915.612.910.17.66.1
Daylight minimum duration (h)6.07.010.013.015.018.016.014.011.08.06.05.0
Sunshine mean duration (h)1.23.25.711.113.515.613.59.67.84.81.30.9
Precipitation (mm)9748852333870137411138467
Sunny days101211192219339754
Rainy days1791111911282821241911
Snow days4790000000616

Sommarö - weather forecast by months

Sommarö weather in januarySommarö weather in februarySommarö weather in marchSommarö weather in aprilSommarö weather in maySommarö weather in juneSommarö weather in julySommarö weather in augustSommarö weather in septemberSommarö weather in octoberSommarö weather in novemberSommarö weather in december

Best time to visit Sommarö:

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

  • April — 11.1(h)
  • May — 13.5(h)
  • June — 15.6(h)
  • July — 13.5(h)
  • August — 9.6(h)

Months with the longest average daylight duration in Sommarö:

  • May — 17.2(h)
  • June — 18.7(h)
  • July — 17.9(h)
  • August — 15.6(h)

The largest precipitation sum in Sommarö is at

  • January — 97(mm)
  • March — 85(mm)
  • August — 137(mm)
  • October — 113(mm)

    • Weather forecast in the closest to Sommarö admin centers

    Weather forecast in the closest towns to Sommarö

    Explore Sommarö

    See also
    MapTrains schedule
    Plan your trip
    AccommodationExperiencesBlog

    Frequently asked questions

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