| 2023 Hardiness Zone: | Zone 9a: 20°F to 25°F |
| 2012 Hardiness Zone: | Zone 9a: 20°F to 25°F |
| 1990 Hardiness Zone: | Zone 8b: 15F to 20F |
| Average First Frost Date: | Dec. 1 - Dec. 10 |
| Average Last Frost Date: | Feb. 21 - Feb. 29 |
| Koppen-Geiger Climate Zone: | Cfa - Humid Subtropical Climate |
| Ecoregion: | 34a - Northern Humid Gulf Coastal Prairies |
| Heat Zone Days: | 121 - 150 days Over 86°F |
Annual Climate Data for ZIP Code 70546 - Jennings, LA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 40 | 43 | 50 | 57 | 65 | 71 | 73 | 72 | 68 | 57 | 49 | 42 | 57 |
| Avg Max Temp (°F) | 59 | 63 | 71 | 77 | 84 | 89 | 91 | 91 | 88 | 80 | 70 | 62 | 77 |
| Avg Precip (In.) | 6.19 | 3.96 | 4.47 | 4.11 | 5.72 | 5.44 | 5.61 | 4.82 | 5.75 | 4.28 | 5.16 | 5.28 | 60.79 |