| 2023 Hardiness Zone: | Zone 8b: 15°F to 20°F Zone 9a: 20°F to 25°F | |
| 2012 Hardiness Zone: | Zone 8b: 15°F to 20°F | |
| 1990 Hardiness Zone: | Zone 8a: 10F to 15F | |
| Average First Frost Date: | Nov. 1 - Nov. 10 | |
| 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 29944 - Varnville, SC | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 37 | 40 | 46 | 52 | 60 | 68 | 71 | 70 | 66 | 54 | 46 | 39 | 54 |
| Avg Max Temp (°F) | 60 | 64 | 71 | 78 | 84 | 89 | 92 | 90 | 86 | 78 | 70 | 62 | 77 |
| Avg Precip (In.) | 4.45 | 3.45 | 4.18 | 3.04 | 3.47 | 5.68 | 5.14 | 6.11 | 4.14 | 2.89 | 2.73 | 3.41 | 48.69 |