| Month | High (°F) | Low (°F) | Precipitation (in) |
|---|---|---|---|
| January | 56.4 | 34.3 | 3.8 |
| February | 60.2 | 36.9 | 3.5 |
| March | 67.3 | 42.8 | 3.9 |
| April | 75.6 | 50.1 | 3.4 |
| May | 82.5 | 58.7 | 3.5 |
| June | 88.3 | 66.9 | 4.8 |
| July | 91.3 | 70.4 | 4.9 |
| August | 89.5 | 69.5 | 5.2 |
| September | 84.5 | 63.9 | 4.5 |
| October | 75.7 | 52.4 | 3.6 |
| November | 66.1 | 41.9 | 3.2 |
| December | 58.7 | 36.6 | 3.9 |
| Entire Year | 74.7 | 52.0 | 48.3 |
| City | Average (°F) | Record (°F) | Yearly (inches) | |||
|---|---|---|---|---|---|---|
| High | Low | High | Low | Precipitation | Snow | |
| Aiken | 76.9 | 52.2 | 109 | -4 | 49.1 | 0.6 |
| Anderson | 73.1 | 50.8 | 108 | -5 | 48.8 | 1.1 |
| Beaufort | 77.2 | 57.9 | 106 | 5 | 44.1 | n/a |
| Caesars Head | 62.8 | 46.6 | 99 | -19 | 73.7 | 7.2 |
| Charleston | 76.8 | 56.7 | 105 | 6 | 52.5 | 0.4 |
| Cheraw | 73.1 | 50.3 | 108 | -9 | 46.8 | 0.0 |
| Chester | 72.6 | 48.1 | 106 | -5 | 45.1 | 1.1 |
| Clemson | 72.9 | 51.2 | 106 | -7 | 52.1 | 2.0 |
| Columbia | 78.6 | 55.0 | 113 | 1 | 47.7 | 0.4 |
| Darlington | 75.5 | 52.3 | 109 | -4 | 46.2 | 0.1 |
| Florence | 75.4 | 53.6 | 108 | -1 | 45.2 | n/a |
| Greenville | 71.9 | 52.0 | 107 | -5 | 47.1 | n/a |
| Laurens | 73.5 | 48.4 | 107 | -2 | 45.9 | 1.2 |
| Myrtle Beach | 73.0 | 55.5 | 104 | 13 | 48.5 | n/a |
| Orangeburg | 76.9 | 53.0 | 108 | 2 | 50.5 | 0.2 |
| Rock Hill | 73.2 | 51.9 | 108 | -4 | 40.6 | 2.2 |
| Saluda | 74.5 | 50.3 | 109 | -2 | 46.5 | 0.4 |
| Spartanburg | 74.4 | 48.5 | 106 | -5 | 49.5 | 0.8 |
| Sumter | 74.1 | 51.0 | 105 | 2 | 48.2 | 0.3 |
| Walhalla | 72.4 | 47.7 | 108 | -5 | 60.6 | 2.5 |