Best year time to visit Björnö

General weather information about Björnö

Average annual temperature is 7.1 °C

Absolute maximum temperature: 27.2 °C

Absolute minimum temperature: -11.7 °C

Number of sunny days: 137 days

Number of rainy days: 191 days

Number of snow days: 37 days

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

Björnö air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)6.07.59.414.818.627.224.023.723.716.49.47.0
Average daytime temperature (°C)2.72.52.88.013.219.620.319.318.59.43.50.2
Average temperature (°C)1.00.1-0.14.19.615.816.716.215.36.71.6-2.2
Average night temperature (°C)-0.9-2.6-3.40.45.611.412.913.312.14.3-0.6-4.8
Absolute minimum temperature (°C)-5.7-7.9-11.6-9.3-2.85.810.511.09.0-2.9-7.4-11.7

Björnö monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)8.010.013.015.017.018.018.016.014.011.08.06.0
Daylight mean duration (h)7.19.311.814.517.018.417.715.512.810.27.76.3
Daylight minimum duration (h)6.08.010.013.015.018.016.014.011.08.06.06.0
Sunshine mean duration (h)2.33.34.710.113.614.513.88.78.25.01.60.7
Precipitation (mm)8437892138658611843759358
Sunny days101481622186219877
Rainy days1881214912252911231713
Snow days36110000000611

Björnö - weather forecast by months

Björnö weather in januaryBjörnö weather in februaryBjörnö weather in marchBjörnö weather in aprilBjörnö weather in mayBjörnö weather in juneBjörnö weather in julyBjörnö weather in augustBjörnö weather in septemberBjörnö weather in octoberBjörnö weather in novemberBjörnö weather in december

Best time to visit Björnö:

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

  • April — 10.1(h)
  • May — 13.6(h)
  • June — 14.5(h)
  • July — 13.8(h)

Months with the longest average daylight duration in Björnö:

  • May — 17.0(h)
  • June — 18.4(h)
  • July — 17.7(h)

The largest precipitation sum in Björnö is at

  • March — 89(mm)
  • July — 86(mm)
  • August — 118(mm)
  • November — 93(mm)

    • Weather forecast in the closest to Björnö admin centers

    Weather forecast in the closest towns to Björnö

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    Frequently asked questions

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