Average Temperatures for Iowa in June

Average temperatures for June at cities, towns and other locations around 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 1991 to 2020 by the US National Centers for Environmental Information.

Eastern Iowa

Average June temperatures
High °F Low °F Place High °C Low °C
82 62 Burlington 28 17
82 60 Cedar Rapids 28 15
81 61 Clinton 27 16
79 56 Cresco 26 14
81 61 Davenport 27 16
81 59 Decorah 27 15
81 60 Dubuque 27 16
81 59 Iowa City 27 15
82 63 Keokuk 28 17
82 61 Waterloo 28 16

Central Iowa

Average daily temperatures in June
High °F Low °F Place High °C Low °C
81 61 Ames 27 16
82 62 Des Moines 28 17
80 58 Fort Dodge 27 15
80 59 Marshalltown 27 15
80 57 Mason City 26 14
82 61 Ottumwa 28 16
81 61 Rathbun Lake Dam 27 16

Western Iowa

June temperatures: daily averages
High °F Low °F Place High °C Low °C
81 60 Carroll 27 16
81 59 Lake Park 27 15
79 59 Milford 26 15
83 59 Onawa 28 15
83 63 Shenandoah 29 17
82 59 Sioux City 28 15
79 59 Spirit Lake 26 15
79 60 Storm Lake 26 16
Reference

NOAA National Centers for Environmental Information (NCEI). Climate Normals.

Iowa Temperatures
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