| | Brambleton, VA | Biloxi, MS | United States |
| Rainfall | 42.9 | 64.7 | 38.1 |
| Snowfall | 21.5 | 0.2 | 27.8 |
| Precipitation Days | 119.5 | 104.5 | 106.2 |
| Sunny | 197 | 219 | 205 |
| Avg. July High | 86.9 | 90.3 | 85.8 |
| Avg. Jan. Low | 22.8 | 42.2 | 21.7 |
| Comfort Index (higher=better) | 7.2 | 7 | 7 |
| UV Index | 4 | 6 | 4.3 |
| Elevation ft. | 374 | 20 | 2443 |