| 2023 Hardiness Zone: | Zone 8a: 10°F to 15°F |
| 2012 Hardiness Zone: | Zone 7b: 5°F to 10°F |
| 1990 Hardiness Zone: | Zone 7b: 5F to 10F |
| Average First Frost Date: | Nov. 1 - Nov. 10 |
| Average Last Frost Date: | Apr. 11 - Apr. 20 |
| Koppen-Geiger Climate Zone: | Cfa - Humid Subtropical Climate |
| Ecoregion: | 45a - Southern Inner Piedmont |
| Heat Zone Days: | 61 - 90 days Over 86°F |
Annual Climate Data for ZIP Code 30157 - Dallas, GA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 30 | 32 | 39 | 45 | 54 | 62 | 67 | 66 | 60 | 47 | 39 | 32 | 48 |
| Avg Max Temp (°F) | 50 | 55 | 64 | 72 | 79 | 85 | 88 | 87 | 82 | 73 | 63 | 53 | 71 |
| Avg Precip (In.) | 5.6 | 4.99 | 5.96 | 4.5 | 4.41 | 4.09 | 4.64 | 4.13 | 3.78 | 3.2 | 4.21 | 4.28 | 53.79 |