South Dakota weather in August 2022

  • 29°C maximum daytime temperature in August in South Dakota (Sioux Falls)29
    29°C max day temperature
  • 10 hours of sunshine per day
  • 9 days with some rainfall in August in South Dakota (Sioux Falls)9
    9 days with some rainfall
  • 15°C minimum night-time temperature in August in South Dakota (Sioux Falls)15
    15°C min night temperature
  • 14 hours of daylight per day in August in South Dakota (Sioux Falls)14
    14 hours of daylight per day
  • Moderate heat & humidity in August in South Dakota (Sioux Falls)M
    Moderate heat & humidity
  • 74 mm monthly rainfall in August in South Dakota (Sioux Falls)74
    74 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in August in South Dakota (Sioux Falls)8
    8 (Very High) UV index

Below are average maximum temperatures at popular destinations in South Dakota in August. Select a destination to see more weather parameters.

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Recommended for South Dakota

The August weather guide for South Dakota (Sioux Falls) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

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Metric (°C / mm)  |  Imperial (°F / inches)

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How hot is it in South Dakota in August?

Daytime temperatures usually reach 29°C in Sioux Falls, South Dakota in August with moderate heat and humidity, falling to 15°C at night.

How sunny is it in South Dakota in August?

There are normally 10 hours of bright sunshine each day in Sioux Falls, South Dakota in August - that's 71% of daylight hours.

Does it rain in South Dakota in August?

There are usually 9 days with some rain in Sioux Falls, South Dakota in August and the average monthly rainfall is 74mm.

South Dakota August sunrise & sunset times

Browse the sunrise and sunset times for South Dakota in August 2022. Select a month to view South Dakota sunrise and sunset times for the next 12 months. The South Dakota sunrise and sunset times shown below are for Sioux Falls.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st August 2022 06:16 20:49
Tuesday, 16th August 2022 06:33 20:29
Wednesday, 31st August 2022 06:50 20:04

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