| Arlington, VA | Darnestown, MD | United States |
Rainfall | 43 | 42 | 38 |
Snowfall | 15 | 20 | 28 |
Precipitation | 117 | 113 | 106 |
Sunny | 201 | 201 | 205 |
Avg. July High | 88 | 85 | 86 |
Avg. Jan. Low | 27 | 25 | 22 |
Comfort Index (higher=better) | 7.3 | 7.3 | 7 |
UV Index | 4 | 4.1 | 4.3 |
Elevation | 236 | 440 | 2443 |