Best year time to visit Bol’shoy Onon

General weather information about Bol’shoy Onon

Average annual temperature is -3.5 °C

Absolute maximum temperature: 29.3 °C

Absolute minimum temperature: -48.5 °C

Number of sunny days: 222 days

Number of rainy days: 91 days

Number of snow days: 52 days

Look at detailed online map of Bol’shoy Onon

* Weather data for Bol’shoy Onon Russia is based on climate observations for 2026 year

Bol’shoy Onon air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)-16.2-4.75.98.017.828.329.326.221.512.6-3.9-11.6
Average daytime temperature (°C)-26.5-15.3-4.30.911.619.025.021.612.24.5-11.4-22.6
Average temperature (°C)-30.1-20.3-8.8-4.26.113.819.515.77.1-0.6-14.9-26.8
Average night temperature (°C)-34.7-26.0-13.5-10.01.08.813.610.22.5-4.3-17.8-31.5
Absolute minimum temperature (°C)-48.5-35.7-23.4-18.9-8.22.38.84.9-3.8-12.9-28.3-39.2

Bol’shoy Onon monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)8.010.012.015.016.017.017.015.013.011.09.07.0
Daylight mean duration (h)7.99.711.914.116.117.216.714.912.710.58.57.3
Daylight minimum duration (h)7.08.010.013.015.016.015.013.011.09.07.07.0
Sunshine mean duration (h)5.87.57.99.49.59.913.111.98.17.25.64.6
Precipitation (mm)5129438513093655925914
Sunny days29252015117171916231822
Rainy days01222023141214201
Snow days22913000006128

Bol’shoy Onon - weather forecast by months

Bol’shoy Onon weather in januaryBol’shoy Onon weather in februaryBol’shoy Onon weather in marchBol’shoy Onon weather in aprilBol’shoy Onon weather in mayBol’shoy Onon weather in juneBol’shoy Onon weather in julyBol’shoy Onon weather in augustBol’shoy Onon weather in septemberBol’shoy Onon weather in octoberBol’shoy Onon weather in novemberBol’shoy Onon weather in december

Best time to visit Bol’shoy Onon:

The best time to visit Bol’shoy Onon during the most sunny months:

  • July — 13.1(h)
  • August — 11.9(h)

Months with the longest average daylight duration in Bol’shoy Onon:

  • May — 16.1(h)
  • June — 17.2(h)
  • July — 16.7(h)

The largest precipitation sum in Bol’shoy Onon is at

  • May — 85(mm)
  • June — 130(mm)
  • July — 93(mm)
  • August — 65(mm)
  • September — 59(mm)

    • Weather forecast in the closest to Bol’shoy Onon admin centers

    Weather forecast in the closest towns to Bol’shoy Onon

    Explore Bol’shoy Onon

    See also
    MapTrains schedule
    Plan your trip
    AccommodationExperiencesBlog

    Frequently asked questions

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