| 2023 Hardiness Zone: | Zone 8b: 15°F to 20°F Zone 9a: 20°F to 25°F |
| 2012 Hardiness Zone: | Zone 8b: 15°F to 20°F |
| 1990 Hardiness Zone: | Zone 8a: 10F to 15F |
| Average First Frost Date: | Nov. 21 - Nov. 30 |
| Average Last Frost Date: | Mar. 11 - Mar. 20 |
| Koppen-Geiger Climate Zone: | Cfa - Humid Subtropical Climate |
| Ecoregion: | 35a - Tertiary Uplands |
| Heat Zone Days: | 121 - 150 days Over 86°F |
Annual Climate Data for ZIP Code 71457 - Natchitoches, LA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 36 | 39 | 46 | 53 | 62 | 70 | 73 | 72 | 66 | 54 | 45 | 38 | 55 |
| Avg Max Temp (°F) | 57 | 62 | 70 | 77 | 84 | 90 | 93 | 93 | 88 | 79 | 68 | 60 | 77 |
| Avg Precip (In.) | 5.7 | 4.48 | 5.26 | 4.61 | 5.8 | 4.59 | 3.45 | 3.45 | 3.18 | 4.16 | 4.64 | 5.9 | 55.23 |