| 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. 1 - Nov. 10 |
| Average Last Frost Date: | Apr. 1 - Apr. 10 |
| 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 31029 - Forsyth, GA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 31 | 32 | 39 | 46 | 55 | 63 | 67 | 67 | 61 | 48 | 40 | 33 | 48 |
| Avg Max Temp (°F) | 55 | 60 | 68 | 75 | 82 | 88 | 90 | 89 | 84 | 75 | 66 | 57 | 74 |
| Avg Precip (In.) | 4.83 | 4.64 | 5.49 | 3.68 | 3.33 | 3.32 | 4.74 | 3.88 | 3.34 | 2.77 | 3.63 | 4 | 47.66 |