| | Bay St. Louis, MS | Madison, MS | United States |
| Rainfall | 63.6 | 54 | 38.1 |
| Snowfall | 0 | 0.4 | 27.8 |
| Precipitation Days | 99.9 | 103.6 | 106.2 |
| Sunny | 216 | 216 | 205 |
| Avg. July High | 89.5 | 91.8 | 85.8 |
| Avg. Jan. Low | 40.4 | 35 | 21.7 |
| Comfort Index (higher=better) | 7.2 | 7.1 | 7 |
| UV Index | 5.8 | 5.6 | 4.3 |
| Elevation ft. | 23 | 338 | 2443 |