| | Nellysford, VA | Southport, NC | United States |
| Rainfall | 45.5 | 56.1 | 38.1 |
| Snowfall | 14.4 | 0.8 | 27.8 |
| Precipitation Days | 104.7 | 116.8 | 106.2 |
| Sunny | 219 | 215 | 205 |
| Avg. July High | 86.3 | 90.3 | 85.8 |
| Avg. Jan. Low | 25.4 | 34.5 | 21.7 |
| Comfort Index (higher=better) | 7.6 | 7.3 | 7 |
| UV Index | 4.2 | 4.9 | 4.3 |
| Elevation ft. | 673 | 16 | 2443 |