| | Terrytown, LA | Slidell, LA | United States |
| Rainfall | 65.4 | 61.7 | 38.1 |
| Snowfall | 0.1 | 0.1 | 27.8 |
| Precipitation Days | 106.3 | 109.2 | 106.2 |
| Sunny | 217 | 222 | 205 |
| Avg. July High | 91.7 | 90.8 | 85.8 |
| Avg. Jan. Low | 44.3 | 40.2 | 21.7 |
| Comfort Index (higher=better) | 6.7 | 6.9 | 7 |
| UV Index | 6 | 5.8 | 4.3 |
| Elevation ft. | -3 | 3 | 2443 |