| 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: | 65c - Sand Hills | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 91 - 120 days Over 86°F |
Annual Climate Data for ZIP Code 29805 - Aiken, SC | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 33 | 35 | 42 | 49 | 58 | 66 | 69 | 68 | 63 | 50 | 42 | 35 | 51 |
| Avg Max Temp (°F) | 57 | 62 | 70 | 78 | 85 | 90 | 93 | 91 | 86 | 77 | 69 | 60 | 77 |
| Avg Precip (In.) | 5.13 | 4.25 | 5.11 | 3.22 | 3.65 | 5.13 | 4.84 | 5.09 | 4 | 3.17 | 3.12 | 3.65 | 50.35 |