| 2023 Hardiness Zone: | Zone 8b: 15°F to 20°F |
| 2012 Hardiness Zone: | Zone 8a: 10°F to 15°F |
| 1990 Hardiness Zone: | Zone 8a: 10F to 15F |
| Average First Frost Date: | Nov. 11 - Nov. 20 |
| Average Last Frost Date: | Mar. 11 - Mar. 20 |
| Koppen-Geiger Climate Zone: | Cfa - Humid Subtropical Climate |
| Ecoregion: | 65d - Southern Hilly Gulf Coastal Plain |
| Heat Zone Days: | 91 - 120 days Over 86°F |
Annual Climate Data for ZIP Code 36089 - Union Springs, AL | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 35 | 37 | 44 | 49 | 58 | 66 | 70 | 69 | 64 | 52 | 43 | 37 | 52 |
| Avg Max Temp (°F) | 57 | 61 | 69 | 76 | 82 | 88 | 90 | 90 | 86 | 77 | 68 | 60 | 75 |
| Avg Precip (In.) | 5.35 | 4.95 | 6.52 | 4.18 | 3.87 | 4.79 | 5.36 | 3.69 | 4.01 | 2.74 | 4.37 | 4.64 | 54.48 |