| | Nelson, GA | Grovetown, GA | United States |
| Rainfall | 55.4 | 45.2 | 38.1 |
| Snowfall | 1.6 | 0.5 | 27.8 |
| Precipitation Days | 103 | 103.5 | 106.2 |
| Sunny | 217 | 216 | 205 |
| Avg. July High | 86.1 | 91.9 | 85.8 |
| Avg. Jan. Low | 28.5 | 34.4 | 21.7 |
| Comfort Index (higher=better) | 7.6 | 7.4 | 7 |
| UV Index | 5.1 | 5 | 4.3 |
| Elevation ft. | 1240 | 479 | 2443 |