| 2023 Hardiness Zone: | Zone 8a: 10°F to 15°F | |
| 2012 Hardiness Zone: | Zone 7b: 5°F to 10°F | |
| 1990 Hardiness Zone: | Zone 7a: 0F to 5F | |
| Average First Frost Date: | Oct. 21 - Oct. 31 | |
| Average Last Frost Date: | Apr. 11 - Apr. 20 | |
| Koppen-Geiger Climate Zone: | Cfa - Humid Subtropical Climate | |
| Ecoregion: | 45a - Southern Inner Piedmont | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 61 - 90 days Over 86°F |
Annual Climate Data for ZIP Code 29691 - Walhalla, SC | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 28 | 30 | 36 | 43 | 53 | 61 | 64 | 64 | 58 | 46 | 37 | 30 | 46 |
| Avg Max Temp (°F) | 52 | 57 | 64 | 73 | 80 | 86 | 90 | 88 | 82 | 73 | 63 | 54 | 72 |
| Avg Precip (In.) | 5.95 | 5.22 | 6.32 | 4.35 | 5.33 | 4.53 | 4.87 | 5.17 | 4.66 | 4.34 | 4.91 | 4.93 | 60.59 |