Weather in City of Sioux Falls in August

General weather information about City of Sioux Falls

Average annual temperature is 9.2 °C

Absolute maximum temperature: 37.6 °C

Absolute minimum temperature: -24.3 °C

Number of sunny days: 219 days

Number of rainy days: 116 days

Number of snow days: 30 days

Look at detailed online map of City of Sioux Falls

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

City of Sioux Falls air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)1.63.910.127.431.633.836.137.635.831.217.710.8
Average daytime temperature (°C)-5.1-2.11.814.224.228.528.329.326.215.69.34.7
Average temperature (°C)-7.9-7.2-3.57.517.622.722.423.320.310.63.80.0
Average night temperature (°C)-10.7-11.1-7.42.311.717.217.018.315.26.6-0.5-3.2
Absolute minimum temperature (°C)-24.3-24.0-16.0-6.31.39.511.112.78.9-6.8-9.4-7.7

City of Sioux Falls monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)9.011.012.014.015.015.015.014.013.011.010.09.0
Daylight mean duration (h)9.410.511.913.414.715.415.113.912.511.09.79.0
Daylight minimum duration (h)9.09.011.012.014.015.014.013.011.010.09.08.0
Sunshine mean duration (h)3.97.47.39.211.912.712.511.79.97.37.25.2
Precipitation (mm)513835536867487745114156
Sunny days201917181714182113152621
Rainy days2451014161310171537
Snow days959200000113

City of Sioux Falls - weather forecast by months

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

Best time to visit City of Sioux Falls:

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

  • May — 11.9(h)
  • June — 12.7(h)
  • July — 12.5(h)
  • August — 11.7(h)

Months with the longest average daylight duration in City of Sioux Falls:

  • June — 15.4(h)

The largest precipitation sum in City of Sioux Falls is at

  • August — 77(mm)
  • October — 114(mm)

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    Frequently asked questions

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