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 | -7.0 | -4.1 | 2.9 | 10.5 | 16.8 | 22.1 | 24.8 | 23.3 | 18.4 | 11.9 | 3.9 | -4.2 | 9.9 |
| Avg. Max Temperature | -2.2 | 0.9 | 8.3 | 16.6 | 22.8 | 27.9 | 30.4 | 29.0 | 24.2 | 17.9 | 8.9 | 0.3 | 15.4 |
| Avg. Min Temperature | -11.8 | -9.1 | -2.4 | 4.4 | 10.8 | 16.2 | 19.2 | 17.6 | 12.5 | 5.9 | -1.2 | -8.8 | 4.4 |
| Days with Max Temp of 32 C 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 |
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| 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 |
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| 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 |
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| 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