| 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 29621 - Anderson, SC | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 29 | 32 | 39 | 46 | 55 | 63 | 68 | 67 | 60 | 48 | 39 | 32 | 48 |
| Avg Max Temp (°F) | 52 | 57 | 65 | 73 | 80 | 87 | 90 | 89 | 83 | 73 | 64 | 55 | 72 |
| Avg Precip (In.) | 5.16 | 4.28 | 5.36 | 3.52 | 3.96 | 3.58 | 4.18 | 3.87 | 4.13 | 3.75 | 4.14 | 4.34 | 50.26 |