| 2023 Hardiness Zone: | Zone 8b: 15°F to 20°F |
| 2012 Hardiness Zone: | Zone 8a: 10°F to 15°F |
| 1990 Hardiness Zone: | Zone 7b: 5F to 10F |
| Average First Frost Date: | Nov. 1 - Nov. 10 |
| Average Last Frost Date: | Mar. 21 - Mar. 31 |
| Koppen-Geiger Climate Zone: | Cfa - Humid Subtropical Climate |
| Ecoregion: | 45b - Southern Outer Piedmont |
| Heat Zone Days: | 91 - 120 days Over 86°F |
Annual Climate Data for ZIP Code 31061 - Milledgeville, GA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 31 | 33 | 40 | 46 | 55 | 64 | 68 | 67 | 62 | 49 | 40 | 33 | 49 |
| Avg Max Temp (°F) | 56 | 61 | 69 | 76 | 83 | 90 | 93 | 91 | 86 | 77 | 68 | 59 | 76 |
| Avg Precip (In.) | 4.96 | 4.41 | 5.07 | 3.31 | 3.12 | 3.73 | 3.96 | 4.34 | 3.55 | 2.88 | 3.47 | 3.74 | 46.52 |