| | Johnston, SC | Bishopville, SC | United States |
| Rainfall | 46.1 | 45.8 | 38.1 |
| Snowfall | 0.7 | 0.4 | 27.8 |
| Precipitation Days | 105.3 | 103.7 | 106.2 |
| Sunny | 218 | 214 | 205 |
| Avg. July High | 92.2 | 91.3 | 85.8 |
| Avg. Jan. Low | 31.2 | 31.3 | 21.7 |
| Comfort Index (higher=better) | 7.4 | 7.4 | 7 |
| UV Index | 5.1 | 4.8 | 4.3 |
| Elevation ft. | 663 | 223 | 2443 |