Iowa is one of several regions in the United States of America, with temperatures that range from 0°C (32°F) in January to 30°C (86°F) during the peak of July. We've based our full climate overview on data from West Des Moines, the region's most prominent city. For more detailed climate information about other cities in the area, please see the section beneath the map further down the page.
In Iowa, the months of May and September bring pleasant weather, with average temperatures ranging between 22°C (72°F) and 25°C (77°F).
The coldest months generally fall in January, February, March and December.
Precipitation in Iowa varies considerably throughout the year. The wettest conditions occur in June with 154 mm (6.1 in) of rain, while January stays relatively dry with 20 mm (0.8 in).
For those seeking sunshine, July usually has the brightest skies, making it an excellent time for exploring the region.
