| | Bay St. Louis, MS | Natchez, MS | United States |
| Rainfall | 63.6 | 59.3 | 38.1 |
| Snowfall | 0 | 0.1 | 27.8 |
| Precipitation Days | 99.9 | 96 | 106.2 |
| Sunny | 216 | 215 | 205 |
| Avg. July High | 89.5 | 91.5 | 85.8 |
| Avg. Jan. Low | 40.4 | 36.9 | 21.7 |
| Comfort Index (higher=better) | 7.2 | 7.1 | 7 |
| UV Index | 5.8 | 5.9 | 4.3 |
| Elevation ft. | 23 | 217 | 2443 |