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Historical Rapid City Weather Data
| Record High Temp (°F) |
Normal High Temp (°F) |
Normal Low Temp (°F) |
Record Low Temp (°F) |
Normal Monthly Precipitation (in.) |
Normal Monthly Snowfall (in.) |
|
|---|---|---|---|---|---|---|
| January | 76 | 33.6 | 11.3 | -27 | 0.37 | 5.2 |
| February | 75 | 38.6 | 15.9 | -31 | 0.46 | 6.3 |
| March | 82 | 46.6 | 23.2 | -21 | 1.03 | 8.9 |
| April | 93 | 57.1 | 32.3 | 1 | 1.86 | 6.5 |
| May | 98 | 67.2 | 42.7 | 18 | 2.96 | 0.8 |
| June | 109 | 77.4 | 51.8 | 31 | 2.83 | 0.1 |
| July | 110 | 85.5 | 57.9 | 39 | 2.03 | T |
| August | 106 | 85.5 | 56.6 | 38 | 1.61 | T |
| September | 104 | 75.2 | 46 | 18 | 1.1 | 0.1 |
| October | 94 | 61.7 | 34.7 | -2 | 1.37 | 1.7 |
| November | 83 | 44.8 | 22.1 | -19 | 0.61 | 5.2 |
| December | 75 | 36.1 | 13.3 | -30 | 0.41 | 4.9 |
