| 2023 Hardiness Zone: | Zone 8b: 15°F to 20°F Zone 8a: 10°F to 15°F |
| 2012 Hardiness Zone: | Zone 7b: 5°F to 10°F |
| 1990 Hardiness Zone: | Zone 7b: 5F to 10F |
| Average First Frost Date: | Oct. 21 - Oct. 31 |
| Average Last Frost Date: | Apr. 11 - Apr. 20 |
| Koppen-Geiger Climate Zone: | Cfa - Humid Subtropical Climate |
| Ecoregion: | 67g - Southern Shale Valleys |
| Heat Zone Days: | 91 - 120 days Over 86°F |
Annual Climate Data for ZIP Code 35128 - Pell City, AL | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 29 | 31 | 38 | 45 | 54 | 62 | 67 | 65 | 59 | 46 | 37 | 31 | 47 |
| Avg Max Temp (°F) | 53 | 57 | 66 | 74 | 80 | 87 | 90 | 89 | 84 | 75 | 64 | 56 | 73 |
| Avg Precip (In.) | 5.83 | 4.82 | 6.51 | 4.88 | 4.56 | 4.3 | 4.95 | 3.55 | 4.26 | 3.28 | 4.6 | 4.61 | 56.16 |