| 2023 Hardiness Zone: | Zone 8b: 15°F to 20°F | |
| 2012 Hardiness Zone: | Zone 8a: 10°F to 15°F | |
| 1990 Hardiness Zone: | Zone 8a: 10F to 15F | |
| 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: | 65l - Vidalia Upland | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 121 - 150 days Over 86°F |
Annual Climate Data for ZIP Code 29853 - Williston, SC | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 35 | 37 | 44 | 50 | 58 | 66 | 69 | 68 | 63 | 51 | 43 | 37 | 52 |
| Avg Max Temp (°F) | 58 | 63 | 71 | 78 | 85 | 90 | 93 | 91 | 86 | 78 | 69 | 61 | 77 |
| Avg Precip (In.) | 4.58 | 3.96 | 4.43 | 3 | 3.34 | 5.33 | 4.78 | 4.96 | 3.77 | 3.07 | 2.74 | 3.42 | 47.38 |