Iowa weather by month

Check out Iowa weather averages by month. Compare detailed monthly climate statistics including temperature, rainfall and sunshine figures.

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum daytime temperature °C
Hours of sunshine (daily)
Days with some rainfall

More about Iowa

Iowa by month

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

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The climate guide for Iowa (Des Moines) shows long term monthly 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 countries and places in Iowa for next month - August. Select a destination to see the climate guide for all months of the year.

All Iowa destinations

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

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Tropical storm risk: Iowa hurricane season

% of month affected by tropical storms
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More about the USA

Compare Iowa with the USA

Below the Iowa chart shows average maximum daytime temperature for Iowa, USA (Des Moines) and the USA (Washington).

Maximum daytime temperature (°C)

Iowa, USA (Des Moines)
USA (Washington)
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

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

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