| 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 | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 91 - 120 days Over 86°F |
Annual Climate Data for ZIP Code 29223 - Columbia, SC | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 33 | 35 | 42 | 50 | 59 | 66 | 70 | 69 | 63 | 51 | 42 | 35 | 51 |
| Avg Max Temp (°F) | 55 | 59 | 67 | 76 | 83 | 88 | 92 | 90 | 85 | 75 | 67 | 58 | 74 |
| Avg Precip (In.) | 4.71 | 3.63 | 4.6 | 3.04 | 3.3 | 4.51 | 5.08 | 4.76 | 3.96 | 3.13 | 3.12 | 3.4 | 47.25 |