| Cumberland, MD | Sterling, VA | United States |
Rainfall | 38 | 42 | 38 |
Snowfall | 30 | 22 | 28 |
Precipitation | 129 | 116 | 106 |
Sunny | 165 | 197 | 205 |
Avg. July High | 88 | 86 | 86 |
Avg. Jan. Low | 21 | 24 | 22 |
Comfort Index (higher=better) | 7.1 | 7.3 | 7 |
UV Index | 3.5 | 4 | 4.3 |
Elevation | 623 | 292 | 2443 |