| | Opp, AL | Jackson, MS | United States |
| Rainfall | 59.3 | 54 | 38.1 |
| Snowfall | 0.2 | 0.5 | 27.8 |
| Precipitation Days | 103.3 | 104.3 | 106.2 |
| Sunny | 223 | 211 | 205 |
| Avg. July High | 91.7 | 91.9 | 85.8 |
| Avg. Jan. Low | 36.9 | 35.4 | 21.7 |
| Comfort Index (higher=better) | 7.2 | 7.1 | 7 |
| UV Index | 5.1 | 5.3 | 4.3 |
| Elevation ft. | 338 | 279 | 2443 |