| Dale City, VA | Madison, VA | United States |
Rainfall | 42.1 | 44.6 | 38.1 |
Snowfall | 15.8 | 19.7 | 27.8 |
Precipitation Days | 115 | 117.8 | 106.2 |
Sunny | 201 | 199 | 205 |
Avg. July High | 87.1 | 86.5 | 85.8 |
Avg. Jan. Low | 26.3 | 21.9 | 21.7 |
Comfort Index (higher=better) | 7.4 | 7.3 | 7 |
UV Index | 4 | 4.1 | 4.3 |
Elevation ft. | 233 | 604 | 2443 |