| 2023 Hardiness Zone: | Zone 8b: 15°F to 20°F | |
| 2012 Hardiness Zone: | Zone 8b: 15°F to 20°F | |
| 1990 Hardiness Zone: | Zone 8a: 10F to 15F | |
| Average First Frost Date: | Nov. 11 - Nov. 20 | |
| Average Last Frost Date: | Mar. 21 - Mar. 31 | |
| Koppen-Geiger Climate Zone: | Cfa - Humid Subtropical Climate | |
| Ecoregion: | 63h - Carolina Flatwoods | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 91 - 120 days Over 86°F |
Annual Climate Data for ZIP Code 29059 - Holly Hill, SC | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 35 | 37 | 44 | 51 | 60 | 67 | 71 | 70 | 65 | 54 | 44 | 37 | 53 |
| Avg Max Temp (°F) | 58 | 62 | 69 | 77 | 83 | 89 | 92 | 90 | 86 | 77 | 69 | 61 | 76 |
| Avg Precip (In.) | 4.1 | 3.57 | 4.21 | 3.11 | 3.9 | 5.43 | 5.16 | 5.77 | 4.46 | 3.26 | 2.43 | 3.68 | 49.09 |