| 2023 Hardiness Zone: | Zone 9a: 20°F to 25°F |
| 2012 Hardiness Zone: | Zone 8b: 15°F to 20°F Zone 9a: 20°F to 25°F |
| 1990 Hardiness Zone: | Zone 8b: 15F to 20F |
| Average First Frost Date: | Nov. 21 - Nov. 30 |
| Average Last Frost Date: | Mar. 1 - Mar. 10 |
| Koppen-Geiger Climate Zone: | Cfa - Humid Subtropical Climate |
| Ecoregion: | 73k - Southern Holocene Meander Belts |
| Heat Zone Days: | 121 - 150 days Over 86°F |
Annual Climate Data for ZIP Code 70753 - Lettsworth, LA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 38 | 41 | 48 | 55 | 63 | 69 | 72 | 71 | 66 | 55 | 46 | 40 | 55 |
| Avg Max Temp (°F) | 59 | 63 | 70 | 77 | 84 | 90 | 92 | 91 | 87 | 79 | 69 | 62 | 77 |
| Avg Precip (In.) | 6.63 | 5.01 | 5.57 | 5.41 | 5.47 | 4.98 | 4.56 | 4.45 | 4.35 | 3.83 | 5.45 | 5.98 | 61.69 |