Sioux City weather in August 2020

  • 29°C maximum daytime temperature in August in Sioux City29
    29°C max day temperature
  • 10 hours of sunshine per day
  • 9 days with some rainfall in August in Sioux City9
    9 days with some rainfall
  • 16°C minimum night-time temperature in August in Sioux City16
    16°C min night temperature
  • 14 hours of daylight per day in August in Sioux City14
    14 hours of daylight per day
  • Moderate heat & humidity in August in Sioux CityM
    Moderate heat & humidity
  • 75 mm monthly rainfall in August in Sioux City75
    75 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in August in Sioux City8
    8 (Very High) UV index
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The August weather guide for Sioux City, Iowa 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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How hot is it in Sioux City in August?

Daytime temperatures usually reach 29°C in Sioux City in August with moderate heat and humidity, falling to 16°C at night.

How sunny is it in Sioux City in August?

There are normally 10 hours of bright sunshine each day in Sioux City in August - that's 69% of daylight hours.

Does it rain in Sioux City in August?

There are usually 9 days with some rain in Sioux City in August and the average monthly rainfall is 75mm.

Sioux City sunrise & sunset times for August 2020

Browse the sunrise & sunset times for Sioux City in August 2020. Select a month to view Sioux City sunrise & sunset times for the next twelve months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Saturday, 1st August 2020 06:18 20:45
Sunday, 16th August 2020 06:34 20:24
Monday, 31st August 2020 06:50 20:00
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Expires at 23:59 on Tuesday 31st Dec 2019

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

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Where's hot in Iowa in August?

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

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