| | Grayson, GA | Dunwoody, GA | United States |
| Rainfall | 52.2 | 53.5 | 38.1 |
| Snowfall | 0.9 | 1.1 | 27.8 |
| Precipitation Days | 102.1 | 105.9 | 106.2 |
| Sunny | 221 | 221 | 205 |
| Avg. July High | 89.2 | 87 | 85.8 |
| Avg. Jan. Low | 30.9 | 30.7 | 21.7 |
| Comfort Index (higher=better) | 7.5 | 7.6 | 7 |
| UV Index | 5 | 5.2 | 4.3 |
| Elevation ft. | 1096 | 1132 | 2443 |