Rapid City
The tables below display average monthly climate and weather indicators in Rapid City South Dakota.
Temperature by: Fahrenheit / Centigrade
| Rapid City Temperature |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Annual |
| Avg. Temperature | -5.4 | -2.9 | 1.2 | 7.3 | 12.9 | 18.2 | 22.3 | 21.4 | 15.6 | 9.3 | 1.6 | -4.3 | 8.1 |
| Avg. Max Temperature | 1.0 | 3.4 | 7.7 | 14.4 | 20.1 | 25.4 | 30.1 | 29.5 | 23.6 | 16.9 | 8.2 | 2.0 | 15.2 |
| Avg. Min Temperature | -11.8 | -9.3 | -5.4 | 0.1 | 5.7 | 10.9 | 14.6 | 13.4 | 7.5 | 1.6 | -5.1 | -10.7 | 0.9 |
| Days with Max Temp of 32 C or Higher | 0.0 | 0.0 | 0.0 | < 0.5 | 0.0 | 3.0 | 11.0 | 12.0 | 4.0 | < 0.5 | 0.0 | 0.0 | 30.0 |
| Days with Min Temp Below Freezing | 30.0 | 27.0 | 27.0 | 15.0 | 3.0 | < 0.5 | 0.0 | 0.0 | 2.0 | 10.0 | 25.0 | 30.0 | 169 |
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| Rapid City Heating and Cooling |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Annual |
| Heating Degree Days | 1324 | 1072 | 958 | 597 | 311 | 103 | 18.0 | 31.0 | 211 | 505 | 906 | 1265 | 7301 |
| Cooling Degree Days | 0.0 | 0.0 | 0.0 | 0.0 | 7.0 | 97.0 | 241 | 205 | 61.0 | 0.0 | 0.0 | 0.0 | 611 |
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| Rapid City Precipitation |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Annual |
| Precipitation (inches) | 0.4 | 0.5 | 1.0 | 1.9 | 2.7 | 3.1 | 2.0 | 1.7 | 1.2 | 1.1 | 0.6 | 0.5 | 16.6 |
| Days with Precipitation 0.01 inch or More | 7.0 | 7.0 | 9.0 | 10.0 | 12.0 | 12.0 | 9.0 | 8.0 | 6.0 | 5.0 | 6.0 | 6.0 | 97.0 |
| Monthly Snowfall (inches) | 5.3 | 6.5 | 8.8 | 6.3 | 0.8 | 0.1 | < 0.05 | < 0.05 | 0.1 | 1.7 | 5.3 | 4.9 | 39.8 |
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| Other Rapid City Weather Indicators |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Annual |
| Average Wind Speed | 10.7 | 11.1 | 12.6 | 13.1 | 12.2 | 10.9 | 10.1 | 10.2 | 11.0 | 11.2 | 10.8 | 10.5 | 11.2 |
| Clear Days | 8.0 | 6.0 | 6.0 | 6.0 | 7.0 | 9.0 | 13.0 | 14.0 | 13.0 | 12.0 | 8.0 | 8.0 | 111 |
| Partly Cloudy Days | 8.0 | 8.0 | 9.0 | 10.0 | 11.0 | 11.0 | 13.0 | 12.0 | 9.0 | 8.0 | 8.0 | 8.0 | 115 |
| Cloudy Days | 15.0 | 14.0 | 15.0 | 15.0 | 13.0 | 10.0 | 5.0 | 5.0 | 8.0 | 11.0 | 14.0 | 14.0 | 139 |
| Percent of Possible Sunshine | 57.0 | 60.0 | 63.0 | 62.0 | 60.0 | 65.0 | 73.0 | 74.0 | 70.0 | 66.0 | 55.0 | 55.0 | 63.0 |
| Avg. Relative Humidity | 58.0 | 68.0 | 67.5 | 63.0 | 60.5 | 63.0 | 61.5 | 56.5 | 52.5 | 53.0 | 58.0 | 64.5 | 68.5 |
Weather information for other cities in South Dakota