| 2023 Hardiness Zone: | Zone 8a: 10°F to 15°F Zone 7b: 5°F to 10°F Zone 7a: 0°F to 5°F | |
| 2012 Hardiness Zone: | Zone 6b: -5°F to 0°F Zone 7b: 5°F to 10°F Zone 7a: 0°F to 5°F | |
| 1990 Hardiness Zone: | Zone 7a: 0F to 5F | |
| Average First Frost Date: | Oct. 21 - Oct. 31 | |
| Average Last Frost Date: | Apr. 21 - Apr. 30 | |
| Koppen-Geiger Climate Zone: | Cfa - Humid Subtropical Climate | |
| Ecoregion: | 66d - Southern Crystalline Ridges and Mountains | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 30525 - Clayton, GA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 26 | 27 | 34 | 40 | 49 | 57 | 62 | 61 | 55 | 43 | 35 | 28 | 43 |
| Avg Max Temp (°F) | 49 | 53 | 61 | 69 | 75 | 82 | 85 | 84 | 79 | 70 | 61 | 52 | 68 |
| Avg Precip (In.) | 7.33 | 6.36 | 7.47 | 5.16 | 6.73 | 5.48 | 5.18 | 5.95 | 5.55 | 4.92 | 6.2 | 6.4 | 72.71 |