| Gaithersburg, MD | Richmond, VA | United States |
Rainfall | 42.2 | 44.3 | 38.1 |
Snowfall | 21.4 | 11 | 27.8 |
Precipitation Days | 112.7 | 112 | 106.2 |
Sunny | 202 | 210 | 205 |
Avg. July High | 85.1 | 89.7 | 85.8 |
Avg. Jan. Low | 25 | 27.6 | 21.7 |
Comfort Index (higher=better) | 7.3 | 7.3 | 7 |
UV Index | 4.1 | 4.3 | 4.3 |
Elevation ft. | 502 | 210 | 2443 |