| Ashburn, VA | Gloucester Courthouse, VA | United States |
Rainfall | 42 | 48 | 38 |
Snowfall | 22 | 6 | 28 |
Precipitation | 116 | 122 | 106 |
Sunny | 197 | 216 | 205 |
Avg. July High | 87 | 87 | 86 |
Avg. Jan. Low | 23 | 29 | 22 |
Comfort Index (higher=better) | 7.2 | 7.4 | 7 |
UV Index | 4 | 4.4 | 4.3 |
Elevation | 295 | 36 | 2443 |