| Fairfax, VA | Fair Oaks, VA | United States |
Rainfall | 43 | 43 | 38.1 |
Snowfall | 21.5 | 21.5 | 27.8 |
Precipitation Days | 119.2 | 119.6 | 106.2 |
Sunny | 198 | 199 | 205 |
Avg. July High | 85.7 | 85.6 | 85.8 |
Avg. Jan. Low | 23.7 | 23.5 | 21.7 |
Comfort Index (higher=better) | 7.3 | 7.3 | 7 |
UV Index | 4.3 | 4 | 4.3 |
Elevation ft. | 433 | 466 | 2443 |