Annual Weather Averages Near Des Moines
Averages are for Des Moines International Airport, which is 8 kilometers from Des Moines.
Based on weather reports collected during 1992–2021.
All Year Climate & Weather Averages in Des Moines
High Temp: 30 °C
Low Temp: -9 °C
Mean Temp: 11 °C
Precipitation: 75.8 mm
Humidity: 68%
Dew Point: 5 °C
Wind: 25 km/h
Pressure: 101.70 kPa
Visibility: 15 km
January Climate & Weather Averages in Des Moines
High Temp: 0 °C
Low Temp: -9 °C
Mean Temp: -5 °C
Precipitation: 25.6 mm
Humidity: 74%
Dew Point: -9 °C
Wind: 27 km/h
Pressure: 102.08 kPa
Visibility: 13 km
February Climate & Weather Averages in Des Moines
High Temp: 2 °C
Low Temp: -7 °C
Mean Temp: -3 °C
Precipitation: 31.5 mm
Humidity: 71%
Dew Point: -7 °C
Wind: 26 km/h
Pressure: 102.04 kPa
Visibility: 13 km
March Climate & Weather Averages in Des Moines
High Temp: 10 °C
Low Temp: -1 °C
Mean Temp: 4 °C
Precipitation: 51.1 mm
Humidity: 65%
Dew Point: -2 °C
Wind: 28 km/h
Pressure: 101.89 kPa
Visibility: 14 km
April Climate & Weather Averages in Des Moines
High Temp: 17 °C
Low Temp: 5 °C
Mean Temp: 11 °C
Precipitation: 96.6 mm
Humidity: 60%
Dew Point: 3 °C
Wind: 29 km/h
Pressure: 101.51 kPa
Visibility: 15 km
May Climate & Weather Averages in Des Moines
High Temp: 22 °C
Low Temp: 11 °C
Mean Temp: 17 °C
Precipitation: 129.4 mm
Humidity: 64%
Dew Point: 10 °C
Wind: 26 km/h
Pressure: 101.43 kPa
Visibility: 15 km
June Climate & Weather Averages in Des Moines
High Temp: 28 °C
Low Temp: 17 °C
Mean Temp: 23 °C
Precipitation: 133.6 mm
Humidity: 66%
Dew Point: 16 °C
Wind: 22 km/h
Pressure: 101.27 kPa
Visibility: 15 km
July Climate & Weather Averages in Des Moines
High Temp: 30 °C
Low Temp: 19 °C
Mean Temp: 25 °C
Precipitation: 101.7 mm
Humidity: 69%
Dew Point: 18 °C
Wind: 20 km/h
Pressure: 101.44 kPa
Visibility: 15 km
August Climate & Weather Averages in Des Moines
High Temp: 29 °C
Low Temp: 18 °C
Mean Temp: 24 °C
Precipitation: 104.7 mm
Humidity: 70%
Dew Point: 18 °C
Wind: 19 km/h
Pressure: 101.53 kPa
Visibility: 15 km
September Climate & Weather Averages in Des Moines
High Temp: 25 °C
Low Temp: 13 °C
Mean Temp: 19 °C
Precipitation: 81.6 mm
Humidity: 66%
Dew Point: 13 °C
Wind: 22 km/h
Pressure: 101.64 kPa
Visibility: 15 km
October Climate & Weather Averages in Des Moines
High Temp: 18 °C
Low Temp: 6 °C
Mean Temp: 12 °C
Precipitation: 70.2 mm
Humidity: 65%
Dew Point: 5 °C
Wind: 25 km/h
Pressure: 101.73 kPa
Visibility: 15 km
November Climate & Weather Averages in Des Moines
High Temp: 10 °C
Low Temp: -1 °C
Mean Temp: 4 °C
Precipitation: 47.1 mm
Humidity: 68%
Dew Point: -1 °C
Wind: 27 km/h
Pressure: 101.90 kPa
Visibility: 15 km
December Climate & Weather Averages in Des Moines
High Temp: 3 °C
Low Temp: -7 °C
Mean Temp: -2 °C
Precipitation: 36.4 mm
Humidity: 74%
Dew Point: -6 °C
Wind: 25 km/h
Pressure: 101.94 kPa
Visibility: 13 km