| 2023 Hardiness Zone: | Zone 8a: 10°F to 15°F |
| 2012 Hardiness Zone: | Zone 8a: 10°F to 15°F Zone 7b: 5°F to 10°F |
| 1990 Hardiness Zone: | Zone 7a: 0F to 5F |
| Average First Frost Date: | Nov. 11 - Nov. 20 |
| Average Last Frost Date: | Mar. 21 - Mar. 31 |
| Koppen-Geiger Climate Zone: | Cfa - Humid Subtropical Climate |
| Ecoregion: | 45b - Southern Outer Piedmont |
| Heat Zone Days: | 61 - 90 days Over 86°F |
Annual Climate Data for ZIP Code 30305 - Atlanta, GA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 30 | 33 | 40 | 47 | 56 | 64 | 68 | 67 | 61 | 49 | 40 | 33 | 49 |
| Avg Max Temp (°F) | 51 | 56 | 64 | 72 | 79 | 86 | 89 | 87 | 82 | 72 | 63 | 54 | 71 |
| Avg Precip (In.) | 5.64 | 4.9 | 5.8 | 4.17 | 4.28 | 3.95 | 4.71 | 4.12 | 3.82 | 3.35 | 4.11 | 4.18 | 53.03 |