Best year time to visit Onas

General weather information about Onas

Average annual temperature is 6.3 °C

Absolute maximum temperature: 24.3 °C

Absolute minimum temperature: -11.1 °C

Number of sunny days: 145 days

Number of rainy days: 164 days

Number of snow days: 56 days

Look at detailed online map of Onas

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

Onas air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)3.35.44.19.715.124.319.323.019.214.79.34.1
Average daytime temperature (°C)0.50.10.65.210.015.916.818.417.28.22.9-1.1
Average temperature (°C)-1.0-1.5-1.33.18.113.915.617.215.96.31.5-2.6
Average night temperature (°C)-2.4-3.9-3.70.95.711.713.915.514.14.4-0.3-4.2
Absolute minimum temperature (°C)-9.7-10.7-11.1-5.5-0.94.811.912.98.6-1.4-9.1-10.6

Onas monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)7.010.013.015.018.018.018.016.014.011.08.06.0
Daylight mean duration (h)6.89.111.814.617.218.818.015.612.910.17.56.0
Daylight minimum duration (h)5.07.010.013.016.018.016.014.011.08.06.05.0
Sunshine mean duration (h)1.02.35.611.313.415.913.39.88.64.31.30.7
Precipitation (mm)103497713252912193491389263
Sunny days889212122161311844
Rainy days168107108151819221714
Snow days712122000001913

Onas - weather forecast by months

Onas weather in januaryOnas weather in februaryOnas weather in marchOnas weather in aprilOnas weather in mayOnas weather in juneOnas weather in julyOnas weather in augustOnas weather in septemberOnas weather in octoberOnas weather in novemberOnas weather in december

Best time to visit Onas:

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

  • April — 11.3(h)
  • May — 13.4(h)
  • June — 15.9(h)
  • July — 13.3(h)
  • August — 9.8(h)

Months with the longest average daylight duration in Onas:

  • May — 17.2(h)
  • June — 18.8(h)
  • July — 18.0(h)
  • August — 15.6(h)

The largest precipitation sum in Onas is at

  • January — 103(mm)
  • July — 121(mm)
  • August — 93(mm)
  • October — 138(mm)
  • November — 92(mm)

    • Weather forecast in the closest to Onas admin centers

    Weather forecast in the closest towns to Onas

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    Frequently asked questions

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