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Des Moines

The tables below display average monthly climate and weather indicators in Des Moines Iowa.

Temperature by: Fahrenheit / Centigrade

Des Moines Temperature Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Avg. Temperature 19.4 24.7 37.3 50.9 62.3 71.8 76.6 73.9 65.1 53.5 39.0 24.4 49.9
Avg. Max Temperature 28.1 33.7 46.9 61.8 73.0 82.2 86.7 84.2 75.6 64.3 48.0 32.6 59.8
Avg. Min Temperature 10.7 15.6 27.6 40.0 51.5 61.2 66.5 63.6 54.5 42.7 29.9 16.1 40.0
Days with Max Temp of 90 F or Higher 0.0 0.0 < 0.5 < 0.5 < 0.5 4.0 9.0 7.0 2.0 < 0.5 0.0 0.0 22.0
Days with Min Temp Below Freezing 30.0 25.0 20.0 7.0 < 0.5 0.0 0.0 0.0 < 0.5 5.0 19.0 29.0 134
  
Des Moines Heating and Cooling Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Heating Degree Days 1414 1128 859 428 165 10.0 0.0 11.0 71.0 372 780 1259 6497
Cooling Degree Days 0.0 0.0 0.0 5.0 81.0 214 360 287 74.0 15.0 0.0 0.0 1036
  
Des Moines Precipitation Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Precipitation (inches) 1.0 1.1 2.3 3.4 3.7 4.5 3.8 4.2 3.5 2.6 1.8 1.3 33.1
Days with Precipitation 0.01 inch or More 8.0 7.0 10.0 11.0 11.0 11.0 9.0 9.0 9.0 8.0 7.0 8.0 108
Monthly Snowfall (inches) 8.3 7.2 6.0 1.8 0.0 < 0.05 < 0.05 0.0 < 0.05 0.3 3.1 6.7 33.4
  
Other Des Moines Weather Indicators Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Average Wind Speed 11.4 11.2 12.5 12.6 11.0 10.1 8.9 8.6 9.4 10.3 11.3 11.1 10.7
Clear Days 8.0 8.0 7.0 7.0 8.0 8.0 10.0 11.0 12.0 12.0 7.0 7.0 105
Partly Cloudy Days 7.0 6.0 7.0 8.0 8.0 10.0 11.0 10.0 8.0 7.0 7.0 7.0 97.0
Cloudy Days 16.0 15.0 17.0 15.0 15.0 11.0 9.0 10.0 11.0 12.0 16.0 17.0 164
Percent of Possible Sunshine 51.0 54.0 56.0 56.0 61.0 68.0 72.0 70.0 66.0 62.0 49.0 46.0 59.0
Avg. Relative Humidity 57.0 73.5 72.0 69.0 67.0 68.0 70.0 72.5 72.5 70.0 68.5 73.0 75.5

Weather information for other cities in Iowa
• Dubuque Weather
• Sioux City Weather
• Waterloo Weather

 


 

Portions of this site are based on the CIA World Fact Book, a public-domain work
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