| 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: | Mar. 1 - Mar. 10 |
| Koppen-Geiger Climate Zone: | Cfa - Humid Subtropical Climate |
| Ecoregion: | 65f - Southern Pine Plains and Hills |
| Heat Zone Days: | 91 - 120 days Over 86°F |
Annual Climate Data for ZIP Code 36575 - Semmes, AL | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 40 | 42 | 49 | 55 | 63 | 69 | 72 | 72 | 68 | 56 | 48 | 42 | 56 |
| Avg Max Temp (°F) | 60 | 64 | 71 | 78 | 84 | 89 | 91 | 91 | 87 | 79 | 70 | 63 | 77 |
| Avg Precip (In.) | 5.91 | 5.18 | 6.99 | 4.91 | 5.98 | 5.16 | 6.98 | 6.1 | 5.93 | 3.24 | 5.21 | 4.72 | 66.31 |