| Sterling, VA | Hagerstown, MD | United States |
Rainfall | 42 | 41 | 38 |
Snowfall | 22 | 25 | 28 |
Precipitation | 116 | 119 | 106 |
Sunny | 197 | 198 | 205 |
Avg. July High | 86 | 86 | 86 |
Avg. Jan. Low | 24 | 22 | 22 |
Comfort Index (higher=better) | 7.3 | 7.2 | 7 |
UV Index | 4 | 3.9 | 4.3 |
Elevation | 292 | 541 | 2443 |