| 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: | 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 29574 - Mullins, SC | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 32 | 34 | 41 | 48 | 57 | 65 | 70 | 68 | 62 | 50 | 41 | 34 | 50 |
| Avg Max Temp (°F) | 55 | 59 | 67 | 75 | 82 | 87 | 90 | 89 | 84 | 75 | 66 | 58 | 74 |
| Avg Precip (In.) | 4.38 | 3.41 | 4.29 | 3.04 | 3.75 | 4.58 | 5.68 | 5.71 | 4.35 | 3.05 | 2.83 | 3.45 | 48.52 |