| 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 7b: 5F to 10F |
| Average First Frost Date: | Nov. 11 - Nov. 20 |
| Average Last Frost Date: | Apr. 1 - Apr. 10 |
| 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 30122 - Lithia Springs, GA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 31 | 33 | 40 | 46 | 55 | 63 | 67 | 67 | 61 | 48 | 40 | 33 | 49 |
| Avg Max Temp (°F) | 51 | 56 | 64 | 72 | 79 | 86 | 89 | 88 | 82 | 73 | 63 | 54 | 71 |
| Avg Precip (In.) | 5.65 | 4.98 | 5.82 | 4.24 | 4.53 | 3.93 | 4.79 | 3.84 | 3.8 | 3.14 | 4.11 | 4.11 | 52.94 |