| | Prairieville, LA | Mandeville, LA | United States |
| Rainfall | 61.1 | 62.8 | 38.1 |
| Snowfall | 0.1 | 0.1 | 27.8 |
| Precipitation Days | 100.9 | 105.5 | 106.2 |
| Sunny | 218 | 218 | 205 |
| Avg. July High | 91.1 | 90.8 | 85.8 |
| Avg. Jan. Low | 40.8 | 39.9 | 21.7 |
| Comfort Index (higher=better) | 7 | 7 | 7 |
| UV Index | 5.8 | 5.8 | 4.3 |
| Elevation ft. | 23 | 7 | 2443 |