Currently: 38 °F. Overcast. (Weather station: Iowa City Municipal Airport, USA). See more current weatherAnnual Weather Averages in Iowa City
Based on weather reports collected during 1992–2021.
All Year Climate & Weather Averages in Iowa City
High Temp: 85 °F
Low Temp: 15 °F
Mean Temp: 51 °F
Precipitation: 2.96"
Humidity: 72%
Dew Point: 41 °F
Wind: 13 mph
Pressure: 30.04 "Hg
Visibility: 9 mi
January Climate & Weather Averages in Iowa City
High Temp: 31 °F
Low Temp: 15 °F
Mean Temp: 23 °F
Precipitation: 1.00"
Humidity: 78%
Dew Point: 16 °F
Wind: 15 mph
Pressure: 30.14 "Hg
Visibility: 8 mi
February Climate & Weather Averages in Iowa City
High Temp: 35 °F
Low Temp: 18 °F
Mean Temp: 26 °F
Precipitation: 1.34"
Humidity: 76%
Dew Point: 19 °F
Wind: 15 mph
Pressure: 30.13 "Hg
Visibility: 8 mi
March Climate & Weather Averages in Iowa City
High Temp: 49 °F
Low Temp: 29 °F
Mean Temp: 39 °F
Precipitation: 2.12"
Humidity: 68%
Dew Point: 28 °F
Wind: 16 mph
Pressure: 30.10 "Hg
Visibility: 9 mi
April Climate & Weather Averages in Iowa City
High Temp: 62 °F
Low Temp: 39 °F
Mean Temp: 51 °F
Precipitation: 3.69"
Humidity: 63%
Dew Point: 37 °F
Wind: 16 mph
Pressure: 29.98 "Hg
Visibility: 9 mi
May Climate & Weather Averages in Iowa City
High Temp: 73 °F
Low Temp: 51 °F
Mean Temp: 62 °F
Precipitation: 4.57"
Humidity: 67%
Dew Point: 50 °F
Wind: 14 mph
Pressure: 29.97 "Hg
Visibility: 9 mi
June Climate & Weather Averages in Iowa City
High Temp: 82 °F
Low Temp: 62 °F
Mean Temp: 72 °F
Precipitation: 5.17"
Humidity: 70%
Dew Point: 61 °F
Wind: 12 mph
Pressure: 29.93 "Hg
Visibility: 9 mi
July Climate & Weather Averages in Iowa City
High Temp: 85 °F
Low Temp: 65 °F
Mean Temp: 75 °F
Precipitation: 4.05"
Humidity: 74%
Dew Point: 66 °F
Wind: 10 mph
Pressure: 29.98 "Hg
Visibility: 9 mi
August Climate & Weather Averages in Iowa City
High Temp: 83 °F
Low Temp: 63 °F
Mean Temp: 73 °F
Precipitation: 3.97"
Humidity: 75%
Dew Point: 64 °F
Wind: 9 mph
Pressure: 30.01 "Hg
Visibility: 9 mi
September Climate & Weather Averages in Iowa City
High Temp: 77 °F
Low Temp: 54 °F
Mean Temp: 65 °F
Precipitation: 3.28"
Humidity: 71%
Dew Point: 55 °F
Wind: 10 mph
Pressure: 30.04 "Hg
Visibility: 9 mi
October Climate & Weather Averages in Iowa City
High Temp: 64 °F
Low Temp: 42 °F
Mean Temp: 53 °F
Precipitation: 2.92"
Humidity: 69%
Dew Point: 42 °F
Wind: 13 mph
Pressure: 30.05 "Hg
Visibility: 9 mi
November Climate & Weather Averages in Iowa City
High Temp: 49 °F
Low Temp: 30 °F
Mean Temp: 39 °F
Precipitation: 2.02"
Humidity: 72%
Dew Point: 30 °F
Wind: 14 mph
Pressure: 30.10 "Hg
Visibility: 9 mi
December Climate & Weather Averages in Iowa City
High Temp: 36 °F
Low Temp: 20 °F
Mean Temp: 28 °F
Precipitation: 1.41"
Humidity: 79%
Dew Point: 22 °F
Wind: 14 mph
Pressure: 30.11 "Hg
Visibility: 8 mi