| 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: | 65i - Fall Line Hills |
| Heat Zone Days: | 91 - 120 days Over 86°F |
Annual Climate Data for ZIP Code 36756 - Marion, AL | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 34 | 37 | 43 | 50 | 59 | 66 | 70 | 69 | 63 | 51 | 42 | 36 | 52 |
| Avg Max Temp (°F) | 56 | 60 | 69 | 76 | 83 | 89 | 92 | 91 | 86 | 77 | 67 | 58 | 75 |
| Avg Precip (In.) | 6.15 | 5.12 | 6.48 | 5 | 4.14 | 4.02 | 4.96 | 3.62 | 3.89 | 3.01 | 4.55 | 4.85 | 55.79 |