Best year time to visit Bol’shoy Klyuch

General weather information about Bol’shoy Klyuch

Average annual temperature is 6.9 °C

Absolute maximum temperature: 40.5 °C

Absolute minimum temperature: -32.7 °C

Number of sunny days: 218 days

Number of rainy days: 112 days

Number of snow days: 35 days

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

Bol’shoy Klyuch air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)1.51.319.926.531.834.940.534.025.620.712.64.6
Average daytime temperature (°C)-11.4-6.45.215.822.825.629.627.320.310.84.8-4.8
Average temperature (°C)-15.2-9.50.38.716.819.723.721.414.16.72.0-6.8
Average night temperature (°C)-18.8-13.0-5.11.610.012.816.614.68.32.6-1.1-9.2
Absolute minimum temperature (°C)-32.7-19.5-13.9-6.83.25.712.36.42.6-4.1-12.4-25.7

Bol’shoy Klyuch monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)9.010.012.014.016.016.016.015.013.011.09.08.0
Daylight mean duration (h)8.49.911.913.915.716.616.214.612.710.78.87.9
Daylight minimum duration (h)7.09.010.012.014.016.015.013.011.09.08.07.0
Sunshine mean duration (h)4.43.17.59.911.712.113.112.210.25.03.22.1
Precipitation (mm)314227353547653620875765
Sunny days241119212519192123141210
Rainy days248861112107171710
Snow days51341000000111

Bol’shoy Klyuch - weather forecast by months

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

Best time to visit Bol’shoy Klyuch:

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

  • April — 9.9(h)
  • May — 11.7(h)
  • June — 12.1(h)
  • July — 13.1(h)
  • August — 12.2(h)
  • September — 10.2(h)

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

  • May — 15.7(h)
  • June — 16.6(h)
  • July — 16.2(h)

The largest precipitation sum in Bol’shoy Klyuch is at

  • July — 65(mm)
  • October — 87(mm)
  • December — 65(mm)

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    Frequently asked questions

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