Climate for Rapid City, South Dakota
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Average Temperatures for Rapid City
| Month | Low | High |
|---|---|---|
| Jan | 11.3°F | 33.6°F |
| Feb | 15.9°F | 38.6°F |
| Mar | 23.2°F | 46.6°F |
| Apr | 32.3°F | 57.1°F |
| May | 42.7°F | 67.2°F |
| Jun | 51.8°F | 77.4°F |
| Jul | 57.9°F | 85.5°F |
| Aug | 56.6°F | 85.5°F |
| Sept | 46.0°F | 75.2°F |
| Oct | 34.7°F | 61.7°F |
| Nov | 22.1°F | 44.8°F |
| Dec | 13.3°F | 36.1°F |
Rapid City's coldest month is January when the average temperature overnight is 11.3°F. In July, the warmest month, the average day time temperature rises to 85.5°F.
Average Rainfall for Rapid City
| Month | Precipitation |
|---|---|
| Jan | 0.37in. |
| Feb | 0.46in. |
| Mar | 1.03in. |
| Apr | 1.86in. |
| May | 2.96in. |
| Jun | 2.83in. |
| Jul | 2.03in. |
| Aug | 1.61in. |
| Sept | 1.10in. |
| Oct | 1.37in. |
| Nov | 0.61in. |
| Dec | 0.40in. |
The driest month in Rapid City is January with 0.37 inches of precipitation, and with 2.96 inches May is the wettest month.
Monthly Sunshine Hours
| Month | Sunshine Hours |
|---|---|
| Jan | 57% |
| Feb | 60% |
| Mar | 63% |
| Apr | 62% |
| May | 60% |
| Jun | 65% |
| Jul | 73% |
| Aug | 74% |
| Sept | 70% |
| Oct | 66% |
| Nov | 55% |
| Dec | 55% |
Sunshine hours refers to the amount sunshine there is during the hours of daylight. A higher percentage means there is more sunshine through the day and a lower percentage will indicate that it is probably cloudier. Sunshine hours are important when you are planning your vacation.
Climate Graphs
Rapid City, South Dakota has the following climate graphs available:
