| | Biloxi, MS | Bay St. Louis, MS | United States |
| Rainfall | 64.7 | 63.6 | 38.1 |
| Snowfall | 0.2 | 0 | 27.8 |
| Precipitation Days | 104.5 | 99.9 | 106.2 |
| Sunny | 219 | 216 | 205 |
| Avg. July High | 90.3 | 89.5 | 85.8 |
| Avg. Jan. Low | 42.2 | 40.4 | 21.7 |
| Comfort Index (higher=better) | 7 | 7.2 | 7 |
| UV Index | 6 | 5.8 | 4.3 |
| Elevation ft. | 20 | 23 | 2443 |