| Gaithersburg, MD | Wilmington, DE | United States |
Rainfall | 42.2 | 44.7 | 38.1 |
Snowfall | 21.4 | 13 | 27.8 |
Precipitation Days | 112.7 | 110.4 | 106.2 |
Sunny | 202 | 199 | 205 |
Avg. July High | 85.1 | 86.1 | 85.8 |
Avg. Jan. Low | 25 | 25.2 | 21.7 |
Comfort Index (higher=better) | 7.3 | 7.3 | 7 |
UV Index | 4.1 | 4.1 | 4.3 |
Elevation ft. | 502 | 92 | 2443 |