| 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. 21 - Nov. 30 |
| Average Last Frost Date: | Feb. 21 - Feb. 29 |
| Koppen-Geiger Climate Zone: | Cfa - Humid Subtropical Climate |
| Ecoregion: | 35g - Red River Bottomlands |
| Heat Zone Days: | 121 - 150 days Over 86°F |
Annual Climate Data for ZIP Code 71409 - Boyce, LA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 38 | 41 | 48 | 56 | 64 | 70 | 73 | 72 | 67 | 55 | 47 | 40 | 56 |
| Avg Max Temp (°F) | 58 | 62 | 70 | 77 | 84 | 90 | 92 | 92 | 87 | 79 | 68 | 60 | 77 |
| Avg Precip (In.) | 6.13 | 4.79 | 5.48 | 4.86 | 5.43 | 4.93 | 4.38 | 4.02 | 4.08 | 4.31 | 5.49 | 6.21 | 60.1 |