| 2023 Hardiness Zone: | Zone 9a: 20°F to 25°F |
| 2012 Hardiness Zone: | Zone 8b: 15°F to 20°F |
| 1990 Hardiness Zone: | Zone 8b: 15F to 20F |
| Average First Frost Date: | Nov. 11 - Nov. 20 |
| Average Last Frost Date: | Mar. 11 - Mar. 20 |
| Koppen-Geiger Climate Zone: | Cfa - Humid Subtropical Climate |
| Ecoregion: | 35c - Pleistocene Fluvial Terraces |
| Heat Zone Days: | 121 - 150 days Over 86°F |
Annual Climate Data for ZIP Code 71328 - Deville, LA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 37 | 40 | 48 | 54 | 63 | 69 | 72 | 71 | 66 | 54 | 45 | 39 | 55 |
| Avg Max Temp (°F) | 57 | 62 | 70 | 77 | 84 | 90 | 93 | 92 | 88 | 79 | 69 | 61 | 77 |
| Avg Precip (In.) | 6.32 | 4.85 | 5.8 | 5.27 | 5.56 | 4.75 | 4.41 | 3.97 | 4.08 | 4.2 | 5.56 | 6.22 | 60.98 |