| Boston, MA | Fairfax, VA | United States |
Rainfall | 47.4 | 43 | 38.1 |
Snowfall | 48.1 | 21.5 | 27.8 |
Precipitation Days | 130 | 119.2 | 106.2 |
Sunny | 200 | 198 | 205 |
Avg. July High | 82.4 | 85.7 | 85.8 |
Avg. Jan. Low | 19.2 | 23.7 | 21.7 |
Comfort Index (higher=better) | 6.9 | 7.3 | 7 |
UV Index | 3.4 | 4.3 | 4.3 |
Elevation ft. | 46 | 433 | 2443 |