| 2023 Hardiness Zone: | Zone 8a: 10°F to 15°F Zone 7b: 5°F to 10°F |
| 2012 Hardiness Zone: | Zone 7b: 5°F to 10°F Zone 7a: 0°F to 5°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: | 67g - Southern Shale Valleys |
| Heat Zone Days: | 91 - 120 days Over 86°F |
Annual Climate Data for ZIP Code 30701 - Calhoun, GA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 28 | 31 | 38 | 45 | 54 | 62 | 66 | 65 | 59 | 46 | 38 | 31 | 47 |
| Avg Max Temp (°F) | 50 | 55 | 63 | 72 | 79 | 86 | 90 | 88 | 82 | 73 | 62 | 53 | 71 |
| Avg Precip (In.) | 5.53 | 4.96 | 6.16 | 4.39 | 4.32 | 4.03 | 4.06 | 3.49 | 4.06 | 3.3 | 4.5 | 4.58 | 53.37 |