| | Belleville, IL | Jefferson, GA | United States |
| Rainfall | 42.3 | 49.3 | 38.1 |
| Snowfall | 12.7 | 0.8 | 27.8 |
| Precipitation Days | 101 | 102.4 | 106.2 |
| Sunny | 203 | 215 | 205 |
| Avg. July High | 89.1 | 89.6 | 85.8 |
| Avg. Jan. Low | 22.2 | 30.4 | 21.7 |
| Comfort Index (higher=better) | 7.2 | 7.6 | 7 |
| UV Index | 4.1 | 5 | 4.3 |
| Elevation ft. | 515 | 745 | 2443 |