| 2023 Hardiness Zone: | Zone 8b: 15°F to 20°F |
| 2012 Hardiness Zone: | Zone 8a: 10°F to 15°F |
| 1990 Hardiness Zone: | Zone 7b: 5F to 10F |
| 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: | 65c - Sand Hills |
| Heat Zone Days: | 91 - 120 days Over 86°F |
Annual Climate Data for ZIP Code 29229 - Columbia, SC | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 32 | 35 | 42 | 49 | 58 | 66 | 70 | 68 | 63 | 50 | 42 | 35 | 51 |
| Avg Max Temp (°F) | 54 | 59 | 66 | 75 | 82 | 88 | 91 | 89 | 84 | 75 | 66 | 57 | 74 |
| Avg Precip (In.) | 4.74 | 3.57 | 4.61 | 3.06 | 3.31 | 4.23 | 5.05 | 4.79 | 3.99 | 3.17 | 3.13 | 3.4 | 47.03 |