| 2023 Hardiness Zone: | Zone 8a: 10°F to 15°F |
| 2012 Hardiness Zone: | Zone 7b: 5°F to 10°F |
| 1990 Hardiness Zone: | Zone 7a: 0F to 5F |
| 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: | 66g - Southern Metasedimentary Mountains |
| Heat Zone Days: | 31 - 45 days Over 86°F |
Annual Climate Data for ZIP Code 30107 - Ball Ground, GA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 29 | 32 | 38 | 45 | 54 | 62 | 67 | 66 | 60 | 48 | 39 | 32 | 48 |
| Avg Max Temp (°F) | 49 | 54 | 62 | 71 | 78 | 84 | 87 | 86 | 81 | 71 | 61 | 52 | 70 |
| Avg Precip (In.) | 5.92 | 4.98 | 6.28 | 4.6 | 4.48 | 4.04 | 4.49 | 4.41 | 4.03 | 3.77 | 4.53 | 4.46 | 55.97 |