| | Marion, MS | Diamondhead, MS | United States |
| Rainfall | 57.7 | 63.3 | 38.1 |
| Snowfall | 0.7 | 0 | 27.8 |
| Precipitation Days | 105.6 | 99.4 | 106.2 |
| Sunny | 218 | 223 | 205 |
| Avg. July High | 91.6 | 89.5 | 85.8 |
| Avg. Jan. Low | 32.9 | 40.4 | 21.7 |
| Comfort Index (higher=better) | 7.2 | 7.2 | 7 |
| UV Index | 5.2 | 5.8 | 4.3 |
| Elevation ft. | 361 | 66 | 2443 |