| Frederick, MD | Alexandria, VA | United States |
Rainfall | 42.5 | 43 | 38.1 |
Snowfall | 23.1 | 14.1 | 27.8 |
Precipitation Days | 107.2 | 116.9 | 106.2 |
Sunny | 200 | 201 | 205 |
Avg. July High | 87.7 | 88.4 | 85.8 |
Avg. Jan. Low | 23.3 | 27 | 21.7 |
Comfort Index (higher=better) | 7.3 | 7.3 | 7 |
UV Index | 4.2 | 4.1 | 4.3 |
Elevation ft. | 282 | 36 | 2443 |