| Martinsburg, WV | Sumter, SC | United States |
Rainfall | 39.5 | 47.4 | 38.1 |
Snowfall | 21.4 | 0.7 | 27.8 |
Precipitation Days | 116.1 | 104 | 106.2 |
Sunny | 198 | 222 | 205 |
Avg. July High | 86.1 | 91.5 | 85.8 |
Avg. Jan. Low | 21.4 | 33.9 | 21.7 |
Comfort Index (higher=better) | 7.2 | 7.4 | 7 |
UV Index | 3.9 | 5 | 4.3 |
Elevation ft. | 453 | 171 | 2443 |