Best year time to visit Önsjön

General weather information about Önsjön

Average annual temperature is 3.1 °C

Absolute maximum temperature: 27.1 °C

Absolute minimum temperature: -22.2 °C

Number of sunny days: 143 days

Number of rainy days: 146 days

Number of snow days: 76 days

Look at detailed online map of Önsjön

* Weather data for Önsjön Sweden is based on climate observations for 2026 year

Önsjön air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)6.56.04.013.521.827.124.620.721.811.42.13.4
Average daytime temperature (°C)-2.1-0.7-2.05.313.020.118.717.614.83.5-4.7-6.3
Average temperature (°C)-4.5-3.2-5.80.88.115.214.713.811.31.2-6.7-8.6
Average night temperature (°C)-7.3-6.0-10.0-3.52.49.610.910.27.9-0.9-9.0-11.6
Absolute minimum temperature (°C)-18.3-13.2-19.6-11.6-4.71.37.87.43.5-7.8-19.4-22.2

Önsjön monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)7.010.013.016.019.020.020.017.014.011.08.05.0
Daylight mean duration (h)5.98.711.815.018.120.219.116.213.09.96.84.8
Daylight minimum duration (h)4.07.010.013.016.019.017.014.011.08.05.04.0
Sunshine mean duration (h)1.23.67.29.112.813.611.89.76.34.00.70.4
Precipitation (mm)4642395425449221492679826
Sunny days912151614166412131313
Rainy days942814142527181447
Snow days13121463000041311

Önsjön - weather forecast by months

Önsjön weather in januaryÖnsjön weather in februaryÖnsjön weather in marchÖnsjön weather in aprilÖnsjön weather in mayÖnsjön weather in juneÖnsjön weather in julyÖnsjön weather in augustÖnsjön weather in septemberÖnsjön weather in octoberÖnsjön weather in novemberÖnsjön weather in december

Best time to visit Önsjön:

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

  • April — 9.1(h)
  • May — 12.8(h)
  • June — 13.6(h)
  • July — 11.8(h)
  • August — 9.7(h)

Months with the longest average daylight duration in Önsjön:

  • May — 18.1(h)
  • June — 20.2(h)
  • July — 19.1(h)
  • August — 16.2(h)

The largest precipitation sum in Önsjön is at

  • July — 92(mm)
  • August — 214(mm)
  • September — 92(mm)
  • November — 98(mm)

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    Frequently asked questions

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