Best year time to visit City of Bismarck

General weather information about City of Bismarck

Average annual temperature is 6.5 °C

Absolute maximum temperature: 34.7 °C

Absolute minimum temperature: -29.4 °C

Number of sunny days: 226 days

Number of rainy days: 97 days

Number of snow days: 42 days

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* Weather data for City of Bismarck United States is based on climate observations for 2026 year

City of Bismarck air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)2.55.10.016.228.132.433.832.934.728.012.312.8
Average daytime temperature (°C)-5.5-2.7-5.46.922.626.927.527.723.512.75.53.0
Average temperature (°C)-9.3-8.2-9.41.315.721.120.921.417.47.30.3-1.7
Average night temperature (°C)-12.5-12.9-13.0-3.29.115.315.116.112.62.9-3.7-5.2
Absolute minimum temperature (°C)-27.9-29.4-21.9-15.4-2.910.39.211.78.1-15.5-13.0-11.2

City of Bismarck monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)9.011.012.014.015.015.015.014.013.011.010.08.0
Daylight mean duration (h)9.010.311.913.615.015.815.414.212.610.99.48.6
Daylight minimum duration (h)8.09.011.012.014.015.014.013.011.010.08.08.0
Sunshine mean duration (h)3.87.17.69.711.612.713.311.09.77.66.85.5
Precipitation (mm)101547226110963428837422
Sunny days261913181712191819192521
Rainy days21271418121311944
Snow days3816500000316

City of Bismarck - weather forecast by months

City of Bismarck weather in januaryCity of Bismarck weather in februaryCity of Bismarck weather in marchCity of Bismarck weather in aprilCity of Bismarck weather in mayCity of Bismarck weather in juneCity of Bismarck weather in julyCity of Bismarck weather in augustCity of Bismarck weather in septemberCity of Bismarck weather in octoberCity of Bismarck weather in novemberCity of Bismarck weather in december

Best time to visit City of Bismarck:

The best time to visit City of Bismarck during the most sunny months:

  • May — 11.6(h)
  • June — 12.7(h)
  • July — 13.3(h)

Months with the longest average daylight duration in City of Bismarck:

  • June — 15.8(h)
  • July — 15.4(h)

The largest precipitation sum in City of Bismarck is at

  • May — 61(mm)
  • June — 109(mm)
  • July — 63(mm)
  • September — 88(mm)

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    Frequently asked questions

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