| 2023 Hardiness Zone: | Zone 8a: 10°F to 15°F Zone 7b: 5°F to 10°F |
| 2012 Hardiness Zone: | Zone 7b: 5°F to 10°F Zone 7a: 0°F to 5°F |
| 1990 Hardiness Zone: | Zone 7b: 5F to 10F |
| Average First Frost Date: | Nov. 1 - Nov. 10 |
| Average Last Frost Date: | Apr. 1 - Apr. 10 |
| Koppen-Geiger Climate Zone: | Cfa - Humid Subtropical Climate |
| Ecoregion: | 67f - Southern Limestone/Dolomite Valleys and Low Rolling Hills |
| Heat Zone Days: | 91 - 120 days Over 86°F |
Annual Climate Data for ZIP Code 36272 - Piedmont, AL | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 29 | 32 | 39 | 45 | 54 | 62 | 67 | 66 | 60 | 47 | 38 | 32 | 48 |
| Avg Max Temp (°F) | 51 | 56 | 65 | 73 | 80 | 87 | 90 | 89 | 84 | 74 | 64 | 55 | 72 |
| Avg Precip (In.) | 5.7 | 5.02 | 6.4 | 4.95 | 4.44 | 4.22 | 4.6 | 3.61 | 4.01 | 3.17 | 4.47 | 4.59 | 55.19 |