| 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: | Apr. 1 - Apr. 10 |
| 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 35473 - Northport, AL | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 33 | 36 | 43 | 49 | 58 | 66 | 70 | 69 | 63 | 51 | 42 | 35 | 51 |
| Avg Max Temp (°F) | 54 | 59 | 67 | 75 | 82 | 89 | 92 | 91 | 86 | 77 | 66 | 57 | 75 |
| Avg Precip (In.) | 5.88 | 5.03 | 6.41 | 5.12 | 4.61 | 4.21 | 5.13 | 3.5 | 3.58 | 3.46 | 4.65 | 4.88 | 56.45 |