| Greenbelt, MD | Annandale, VA | United States |
Rainfall | 43 | 44 | 38 |
Snowfall | 13 | 21 | 28 |
Precipitation | 109 | 117 | 106 |
Sunny | 199 | 202 | 205 |
Avg. July High | 88 | 86 | 86 |
Avg. Jan. Low | 24 | 24 | 22 |
Comfort Index (higher=better) | 7.3 | 7.3 | 7 |
UV Index | 4.3 | 4 | 4.3 |
Elevation | 161 | 361 | 2443 |