| | Martin, GA | Snellville, GA | United States |
| Rainfall | 53.5 | 52.2 | 38.1 |
| Snowfall | 1.6 | 0.9 | 27.8 |
| Precipitation Days | 103.2 | 99.8 | 106.2 |
| Sunny | 221 | 219 | 205 |
| Avg. July High | 88.6 | 89 | 85.8 |
| Avg. Jan. Low | 31.7 | 30.9 | 21.7 |
| Comfort Index (higher=better) | 7.6 | 7.5 | 7 |
| UV Index | 4.8 | 5 | 4.3 |
| Elevation ft. | 912 | 1060 | 2443 |