| Fairfax, VA | Lowell, MA | United States |
Rainfall | 43 | 47.5 | 38.1 |
Snowfall | 21.5 | 55.6 | 27.8 |
Precipitation Days | 119.2 | 128.3 | 106.2 |
Sunny | 198 | 203 | 205 |
Avg. July High | 85.7 | 83.2 | 85.8 |
Avg. Jan. Low | 23.7 | 15.7 | 21.7 |
Comfort Index (higher=better) | 7.3 | 6.8 | 7 |
UV Index | 4.3 | 3.5 | 4.3 |
Elevation ft. | 433 | 118 | 2443 |