| | McCormick, SC | Erwin, TN | United States |
| Rainfall | 45.4 | 44 | 38.1 |
| Snowfall | 0.6 | 10.4 | 27.8 |
| Precipitation Days | 95.1 | 134.6 | 106.2 |
| Sunny | 220 | 197 | 205 |
| Avg. July High | 92.3 | 85.5 | 85.8 |
| Avg. Jan. Low | 31.4 | 25.7 | 21.7 |
| Comfort Index (higher=better) | 7.4 | 7.6 | 7 |
| UV Index | 5 | 4.4 | 4.3 |
| Elevation ft. | 535 | 1673 | 2443 |