Iowa weather in August 2024

Expect 29°C daytime maximum temperatures in the shade with on average 10 hours of sunshine per day in Iowa in August. Check more long-term weather averages for Iowa in August before you book your next holiday to Iowa in 2024/2025.

29
29°C max day temperature
10
10 hours of sunshine per day
9
9 days with some rainfall
17
17°C min night temperature
14
14 hours of daylight per day
M
Moderate heat & humidity
105
105 mm of monthly rainfall
8
8 (Very High) UV index

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The August weather guide for Iowa (Des Moines) 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.

Top Iowa destinations

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

All Iowa destinations

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

More about the USA

How hot is it in Iowa in August?

Daytime temperatures usually reach 29°C in Des Moines, Iowa in August with moderate heat and humidity, falling to 17°C at night.

How sunny is it in Iowa in August?

There are normally 10 hours of bright sunshine each day in Des Moines, Iowa in August - that's 69% of daylight hours.

Does it rain in Iowa in August?

There are usually 9 days with some rain in Des Moines, Iowa in August and the average monthly rainfall is 105mm.

Iowa August sunrise & sunset times

Browse the sunrise and sunset times for Iowa in August 2024. Select a month to view Iowa sunrise and sunset times for the next 12 months. The Iowa sunrise and sunset times shown below are for Des Moines.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Date	Sunrise times	Sunset times
Thursday, 1st August 2024	06:10	20:31
Friday, 16th August 2024	06:25	20:12
Saturday, 31st August 2024	06:40	19:48

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Iowa - quick facts
Flight time^✝	11.5 hours
Time difference	UK -6 hours
Language(s)	English
Currency	US Dollar
Electricity	A + B plug (120V)
Driving side	Right
Visa^✝	Yes
Tourist info	Iowa Tourism Office