| Gaithersburg, MD | Chesapeake, VA | United States |
Rainfall | 42 | 47 | 38 |
Snowfall | 21 | 5 | 28 |
Precipitation | 113 | 116 | 106 |
Sunny | 202 | 211 | 205 |
Avg. July High | 85 | 89 | 86 |
Avg. Jan. Low | 25 | 31 | 22 |
Comfort Index (higher=better) | 7.3 | 7.4 | 7 |
UV Index | 4.1 | 4.5 | 4.3 |
Elevation | 502 | 10 | 2443 |