| Mechanicsville, VA | Ashburn, VA | United States |
Rainfall | 44 | 42 | 38 |
Snowfall | 12 | 22 | 28 |
Precipitation | 112 | 116 | 106 |
Sunny | 204 | 197 | 205 |
Avg. July High | 90 | 87 | 86 |
Avg. Jan. Low | 28 | 23 | 22 |
Comfort Index (higher=better) | 7.3 | 7.2 | 7 |
UV Index | 4.4 | 4 | 4.3 |
Elevation | 167 | 295 | 2443 |