| Ashburn, VA | Gloucester Courthouse, VA | United States |
Rainfall | 42 | 47.6 | 38.1 |
Snowfall | 21.5 | 5.5 | 27.8 |
Precipitation Days | 116.4 | 122.1 | 106.2 |
Sunny | 197 | 216 | 205 |
Avg. July High | 86.9 | 86.9 | 85.8 |
Avg. Jan. Low | 22.8 | 28.5 | 21.7 |
Comfort Index (higher=better) | 7.2 | 7.4 | 7 |
UV Index | 4 | 4.4 | 4.3 |
Elevation ft. | 295 | 36 | 2443 |