Best year time to visit Onnela

General weather information about Onnela

Average annual temperature is 1.3 °C

Absolute maximum temperature: 25.6 °C

Absolute minimum temperature: -21.7 °C

Number of sunny days: 143 days

Number of rainy days: 126 days

Number of snow days: 96 days

Look at detailed online map of Onnela

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

Onnela air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)1.82.90.610.621.624.524.625.621.18.51.01.3
Average daytime temperature (°C)-3.9-4.7-5.44.711.716.917.718.113.10.0-5.7-7.4
Average temperature (°C)-6.4-7.2-9.30.06.913.114.214.410.1-2.5-8.3-9.5
Average night temperature (°C)-8.7-10.1-13.2-4.51.78.110.110.36.3-5.7-11.7-11.9
Absolute minimum temperature (°C)-20.3-19.7-20.8-12.5-7.70.13.54.4-1.1-14.9-21.7-18.0

Onnela monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)5.09.013.017.024.024.024.019.015.011.07.03.0
Daylight mean duration (h)3.87.911.715.720.424.022.417.213.29.45.31.2
Daylight minimum duration (h)1.06.09.013.017.024.019.015.011.07.03.00.0
Sunshine mean duration (h)0.61.65.810.812.014.010.18.45.52.30.50.0
Precipitation (mm)48313928495782117156603126
Sunny days121192015129107111512
Rainy days231713182221231042
Snow days171421330000101117

Onnela - weather forecast by months

Onnela weather in januaryOnnela weather in februaryOnnela weather in marchOnnela weather in aprilOnnela weather in mayOnnela weather in juneOnnela weather in julyOnnela weather in augustOnnela weather in septemberOnnela weather in octoberOnnela weather in novemberOnnela weather in december

Best time to visit Onnela:

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

  • April — 10.8(h)
  • May — 12.0(h)
  • June — 14.0(h)
  • July — 10.1(h)
  • August — 8.4(h)

Months with the longest average daylight duration in Onnela:

  • May — 20.4(h)
  • June — 24.0(h)
  • July — 22.4(h)
  • August — 17.2(h)

The largest precipitation sum in Onnela is at

  • July — 82(mm)
  • August — 117(mm)
  • September — 156(mm)

    • Weather forecast in the closest to Onnela admin centers

    Weather forecast in the closest towns to Onnela

    Explore Onnela

    See also
    MapTrains schedule
    Plan your trip
    AccommodationExperiencesBlog

    Frequently asked questions

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