| 2023 Hardiness Zone: | 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. 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: | 91 - 120 days Over 86°F |
Annual Climate Data for ZIP Code 30276 - Senoia, GA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 31 | 34 | 41 | 47 | 56 | 64 | 68 | 67 | 61 | 49 | 41 | 34 | 49 |
| Avg Max Temp (°F) | 54 | 58 | 66 | 74 | 81 | 87 | 90 | 88 | 83 | 74 | 65 | 56 | 73 |
| Avg Precip (In.) | 5.21 | 4.86 | 5.7 | 4.01 | 3.85 | 3.81 | 4.72 | 3.9 | 3.42 | 2.98 | 3.95 | 4.26 | 50.67 |