Weather in Björn in December

General weather information about Björn

Average annual temperature is 4.4 °C

Absolute maximum temperature: 29.2 °C

Absolute minimum temperature: -17.7 °C

Number of sunny days: 140 days

Number of rainy days: 161 days

Number of snow days: 64 days

Look at detailed online map of Björn

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

Björn air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)4.85.54.415.822.228.125.029.222.712.55.04.4
Average daytime temperature (°C)-1.1-0.7-1.17.414.420.119.420.416.84.4-1.4-4.5
Average temperature (°C)-2.8-3.1-4.81.59.515.415.816.413.41.5-3.5-6.5
Average night temperature (°C)-4.9-5.9-8.8-3.74.09.411.612.59.8-1.0-6.1-9.2
Absolute minimum temperature (°C)-14.3-14.5-16.6-14.4-3.01.89.19.02.5-7.6-17.7-15.6

Björn 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)5.88.711.815.018.220.419.316.213.09.86.74.7
Daylight minimum duration (h)4.07.010.013.016.019.017.014.011.08.05.04.0
Sunshine mean duration (h)1.23.05.49.312.714.511.29.66.14.70.70.4
Precipitation (mm)60234747493312914092925936
Sunny days10131222161546714912
Rainy days11458141527252315104
Snow days10111401000021115

Björn - weather forecast by months

Björn weather in januaryBjörn weather in februaryBjörn weather in marchBjörn weather in aprilBjörn weather in mayBjörn weather in juneBjörn weather in julyBjörn weather in augustBjörn weather in septemberBjörn weather in octoberBjörn weather in novemberBjörn weather in december

Best time to visit Björn:

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

  • April — 9.3(h)
  • May — 12.7(h)
  • June — 14.5(h)
  • July — 11.2(h)
  • August — 9.6(h)

Months with the longest average daylight duration in Björn:

  • May — 18.2(h)
  • June — 20.4(h)
  • July — 19.3(h)
  • August — 16.2(h)

The largest precipitation sum in Björn is at

  • July — 129(mm)
  • August — 140(mm)
  • September — 92(mm)
  • October — 92(mm)

    • Weather forecast in the closest to Björn admin centers

    Weather forecast in the closest towns to Björn

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    Frequently asked questions

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