| 2023 Hardiness Zone: | Zone 8b: 15°F to 20°F | |
| 2012 Hardiness Zone: | Zone 8b: 15°F to 20°F 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: | Mar. 21 - Mar. 31 | |
| Koppen-Geiger Climate Zone: | Cfa - Humid Subtropical Climate | |
| Ecoregion: | 65l - Vidalia Upland | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 91 - 120 days Over 86°F |
Annual Climate Data for ZIP Code 29810 - Allendale, SC | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 36 | 38 | 45 | 51 | 60 | 67 | 71 | 70 | 65 | 53 | 45 | 38 | 53 |
| Avg Max Temp (°F) | 59 | 63 | 71 | 78 | 84 | 89 | 92 | 90 | 86 | 78 | 69 | 61 | 77 |
| Avg Precip (In.) | 4.51 | 3.64 | 4.26 | 3.01 | 3.48 | 5.46 | 5.03 | 5.67 | 4.11 | 2.87 | 2.71 | 3.43 | 48.18 |