Best year time to visit Österby

General weather information about Österby

Average annual temperature is 6.3 °C

Absolute maximum temperature: 22.9 °C

Absolute minimum temperature: -10.7 °C

Number of sunny days: 129 days

Number of rainy days: 177 days

Number of snow days: 59 days

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

Österby air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)3.15.04.09.815.122.419.922.918.615.29.03.9
Average daytime temperature (°C)0.2-0.30.14.99.715.716.918.717.18.22.9-0.8
Average temperature (°C)-1.3-1.9-1.72.97.913.915.817.615.96.51.5-2.1
Average night temperature (°C)-2.6-4.2-4.10.96.012.014.416.214.34.8-0.2-3.8
Absolute minimum temperature (°C)-8.7-10.7-10.5-5.6-0.44.912.814.39.3-0.9-8.0-9.6

Österby monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)7.010.013.015.018.019.018.016.014.011.08.06.0
Daylight mean duration (h)6.89.111.814.617.318.818.115.612.910.17.55.9
Daylight minimum duration (h)5.07.010.013.016.018.017.014.011.08.06.05.0
Sunshine mean duration (h)0.92.35.311.313.415.413.210.88.54.31.20.3
Precipitation (mm)10139741426912369551538969
Sunny days67824191913911346
Rainy days1481151211182219271812
Snow days1113121000001813

Österby - weather forecast by months

Österby weather in januaryÖsterby weather in februaryÖsterby weather in marchÖsterby weather in aprilÖsterby weather in mayÖsterby weather in juneÖsterby weather in julyÖsterby weather in augustÖsterby weather in septemberÖsterby weather in octoberÖsterby weather in novemberÖsterby weather in december

Best time to visit Österby:

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

  • April — 11.3(h)
  • May — 13.4(h)
  • June — 15.4(h)
  • July — 13.2(h)
  • August — 10.8(h)

Months with the longest average daylight duration in Österby:

  • May — 17.3(h)
  • June — 18.8(h)
  • July — 18.1(h)
  • August — 15.6(h)

The largest precipitation sum in Österby is at

  • January — 101(mm)
  • July — 123(mm)
  • October — 153(mm)
  • November — 89(mm)

    • Weather forecast in the closest to Österby admin centers

    Weather forecast in the closest towns to Österby

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    Frequently asked questions

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