| 2023 Hardiness Zone: | Zone 8a: 10°F to 15°F |
| 2012 Hardiness Zone: | Zone 7b: 5°F to 10°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: | 67f - Southern Limestone/Dolomite Valleys and Low Rolling Hills |
| Heat Zone Days: | 61 - 90 days Over 86°F |
Annual Climate Data for ZIP Code 30171 - Rydal, GA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 29 | 31 | 38 | 45 | 55 | 63 | 67 | 66 | 60 | 47 | 39 | 32 | 48 |
| Avg Max Temp (°F) | 49 | 54 | 63 | 71 | 78 | 85 | 88 | 87 | 82 | 72 | 62 | 52 | 70 |
| Avg Precip (In.) | 5.29 | 4.77 | 5.92 | 4.51 | 4.08 | 3.9 | 4.28 | 3.74 | 3.79 | 3.12 | 4.24 | 4.3 | 51.94 |