| 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: | 65f - Southern Pine Plains and Hills |
| Heat Zone Days: | 121 - 150 days Over 86°F |
Annual Climate Data for ZIP Code 36320 - Cottonwood, AL | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 38 | 41 | 47 | 53 | 61 | 68 | 71 | 70 | 66 | 54 | 46 | 40 | 55 |
| Avg Max Temp (°F) | 60 | 64 | 72 | 79 | 85 | 90 | 92 | 91 | 88 | 80 | 71 | 63 | 78 |
| Avg Precip (In.) | 5.72 | 4.73 | 5.99 | 4.16 | 4.01 | 5.02 | 6.22 | 5.08 | 4.59 | 2.75 | 3.78 | 3.98 | 56.04 |