Sioux Falls weather in August 2024

Expect 84°F daytime maximum temperatures in the shade with on average 10 hours of sunshine per day in Sioux Falls in August. Check more long-term weather averages for Sioux Falls in August before you book your next holiday to South Dakota in 2024/2025.

  • 84°F maximum daytime temperature in August in Sioux Falls84
    84°F max day temperature
  • 10 hours of sunshine per day
  • 9 days with some rainfall in August in Sioux Falls9
    9 days with some rainfall
  • 59°F minimum night-time temperature in August in Sioux Falls59
    59°F min night temperature
  • 14 hours of daylight per day in August in Sioux Falls14
    14 hours of daylight per day
  • Moderate heat & humidity in August in Sioux FallsM
    Moderate heat & humidity
  • 2.9 inches monthly rainfall in August in Sioux Falls2.9
    2.9 inches of monthly rainfall
  • UV (maximum) index 8 (Very High) in August in Sioux Falls8
    8 (Very High) UV index

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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.

Metric (°C)  |  Imperial (°F)

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How hot is it in Sioux Falls in August?

Daytime temperatures usually reach 84°F in Sioux Falls in August with moderate heat and humidity, falling to 59°F at night.

How sunny is it in Sioux Falls in August?

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

Does it rain in Sioux Falls in August?

There are usually 9 days with some rain in Sioux Falls in August and the average monthly rainfall is 2.9 inches.

Sioux Falls August sunrise & sunset times

Browse the sunrise and sunset times for Sioux Falls in August 2024. Select a month to view Sioux Falls sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st August 2024 06:17 20:49
Friday, 16th August 2024 06:34 20:28
Saturday, 31st August 2024 06:50 20:03

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