Average Temperatures for Iowa in July





Average temperatures for July at cities, towns and lakes throughout Iowa are listed below in degrees Fahrenheit and Celsius.

You can jump to a separate table for each region of the state: Eastern, Central and Western Iowa.

The tables give the normals for maximum and minimum temperatures based on weather data collected from 1981 to 2010 by the US National Climatic Data Center.

Eastern Iowa

Average July temperatures
High °F Low °F Place High °C Low °C
87 67 Burlington 30 19
85 64 Cedar Rapids 30 18
85 65 Clinton 30 18
82 59 Cresco 28 15
84 63 Davenport 29 17
84 61 Decorah 29 16
85 65 Dubuque 29 18
87 65 Iowa City 31 18
87 67 Keokuk 30 19
84 63 Waterloo 29 17

Central Iowa

Average daily temperatures in July
High °F Low °F Place High °C Low °C
84 64 Ames 29 18
86 67 Des Moines 30 19
84 63 Fort Dodge 29 17
84 63 Marshalltown 29 17
83 61 Mason City 28 16
86 65 Ottumwa 30 18
85 66 Rathbun Lake Dam 29 19

Western Iowa

July temperatures: daily averages
High °F Low °F Place High °C Low °C
84 63 Carroll 29 17
86 63 Lake Park 30 17
83 60 Milford 29 15
87 63 Onawa 30 17
87 66 Shenandoah 31 19
86 63 Sioux City 30 17
83 63 Storm Lake 28 17
Reference

National Climatic Data Center. NOAA's 1981-2010 Climate Normals.

Iowa Temperatures
Back to Top