Weather & Climate at Ellsworth Air Force Base in Rapid City, SD
Summary of the weather and climate in Rapid City, SD:
- The average high in Rapid City, SD is 60.2°F and average low is 33.8°F
- The hottest month is July with an high of 87.1°F
- The coldest month is January with an low of 12.9°F
- Annual rainfall is 16.29 inches. The rainiest month is May with an average of 3.22 inches.
- Annual snowfall is 41.1 inches. The snowiest month is March with an average of 8.7 inches.
SOURCE: NOAA.GOV
Climate Table — Ellsworth Air Force Base
Monthly Averages:
| High (°F) | Low (°F) | Rainfall (inches) | Snowfall (inches) | |
|---|---|---|---|---|
| January | 37.1 | 12.9 | 0.3 | 4.4 |
| February | 39.6 | 15.1 | 0.44 | 5.8 |
| March | 47.9 | 22.9 | 0.93 | 8.7 |
| April | 58.3 | 31.8 | 1.8 | 7.9 |
| May | 67.8 | 42.1 | 3.22 | 1.1 |
| June | 77.8 | 51.2 | 2.53 | 0 |
| July | 87.1 | 58.1 | 1.85 | 0 |
| August | 86.4 | 56.6 | 1.56 | 0 |
| September | 75.6 | 46 | 1.29 | 0.2 |
| October | 61.4 | 34.1 | 1.42 | 1.6 |
| November | 47 | 22.1 | 0.53 | 6 |
| December | 36.9 | 13 | 0.42 | 5.4 |
Climate Charts — Ellsworth Air Force Base
Weather through the year:
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