| Silver Spring, MD | Rockville, MD | United States |
Rainfall | 44.3 | 42.2 | 38.1 |
Snowfall | 14.1 | 18.2 | 27.8 |
Precipitation Days | 112.4 | 112.3 | 106.2 |
Sunny | 202 | 203 | 205 |
Avg. July High | 88.2 | 84.8 | 85.8 |
Avg. Jan. Low | 24.9 | 25.1 | 21.7 |
Comfort Index (higher=better) | 7.3 | 7.4 | 7 |
UV Index | 4.1 | 4.1 | 4.3 |
Elevation ft. | 341 | 456 | 2443 |