| 2023 Hardiness Zone: | Zone 8b: 15°F to 20°F Zone 8a: 10°F to 15°F | |
| 2012 Hardiness Zone: | Zone 8a: 10°F to 15°F | |
| 1990 Hardiness Zone: | Zone 7b: 5F to 10F | |
| 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: | 45b - Southern Outer Piedmont | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 91 - 120 days Over 86°F |
Annual Climate Data for ZIP Code 30650 - Madison, GA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 32 | 34 | 41 | 48 | 56 | 65 | 69 | 68 | 62 | 50 | 41 | 34 | 50 |
| Avg Max Temp (°F) | 53 | 58 | 67 | 74 | 81 | 88 | 91 | 89 | 84 | 75 | 65 | 56 | 73 |
| Avg Precip (In.) | 5.07 | 4.59 | 5.26 | 3.62 | 3.73 | 3.6 | 4.19 | 4.02 | 3.34 | 3.02 | 3.44 | 3.75 | 47.64 |