| 2023 Hardiness Zone: | Zone 8b: 15°F to 20°F Zone 8a: 10°F to 15°F |
| 2012 Hardiness Zone: | Zone 8a: 10°F to 15°F |
| 1990 Hardiness Zone: | Zone 7b: 5F to 10F |
| Average First Frost Date: | Nov. 11 - Nov. 20 |
| Average Last Frost Date: | Mar. 21 - Mar. 31 |
| 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 35115 - Montevallo, AL | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 32 | 35 | 42 | 47 | 56 | 64 | 68 | 67 | 62 | 49 | 41 | 35 | 50 |
| Avg Max Temp (°F) | 55 | 60 | 68 | 75 | 82 | 89 | 91 | 91 | 86 | 77 | 66 | 58 | 75 |
| Avg Precip (In.) | 6.43 | 5.09 | 6.78 | 4.97 | 4.62 | 4.65 | 5.26 | 3.67 | 4.01 | 3.15 | 4.57 | 5.03 | 58.23 |