Sioux Falls weather in July 2025

Expect 30°C daytime maximum temperatures in the shade with on average 11 hours of sunshine per day in Sioux Falls in July. Check more long-term weather averages for Sioux Falls in July before you book your next holiday to South Dakota in 2025/2026.

  • 30°C maximum daytime temperature in July in Sioux Falls30
    30°C max day temperature
  • 11 hours of sunshine per day
  • 10 days with some rainfall in July in Sioux Falls10
    10 days with some rainfall
  • 17°C minimum night-time temperature in July in Sioux Falls17
    17°C min night temperature
  • 15 hours of daylight per day in July in Sioux Falls15
    15 hours of daylight per day
  • Moderate heat & humidity in July in Sioux FallsM
    Moderate heat & humidity
  • 71 mm monthly rainfall in July in Sioux Falls71
    71 mm of monthly rainfall
  • UV (maximum) index 9 (Very High) in July in Sioux Falls9
    9 (Very High) UV index

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The July 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 / mm)  |  Imperial (°F / inches)

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How hot is it in Sioux Falls in July?

Daytime temperatures usually reach 30°C in Sioux Falls in July with moderate heat and humidity, falling to 17°C at night.

How sunny is it in Sioux Falls in July?

There are normally 11 hours of bright sunshine each day in Sioux Falls in July - that's 74% of daylight hours.

Does it rain in Sioux Falls in July?

There are usually 10 days with some rain in Sioux Falls in July and the average monthly rainfall is 71mm.

Sioux Falls July sunrise & sunset times

Browse the sunrise and sunset times for Sioux Falls in July 2025. Select a month to view Sioux Falls sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Tuesday, 1st July 2025 04:50 20:12
Wednesday, 16th July 2025 05:01 20:05
Thursday, 31st July 2025 05:16 19:50

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