| 2023 Hardiness Zone: | Zone 8b: 15°F to 20°F Zone 8a: 10°F to 15°F |
| 2012 Hardiness Zone: | Zone 8a: 10°F to 15°F Zone 7b: 5°F to 10°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 29203 - Columbia, SC | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 34 | 37 | 44 | 51 | 60 | 67 | 71 | 70 | 64 | 52 | 43 | 37 | 52 |
| Avg Max Temp (°F) | 56 | 61 | 69 | 77 | 84 | 90 | 93 | 91 | 86 | 77 | 67 | 59 | 76 |
| Avg Precip (In.) | 4.65 | 3.76 | 4.58 | 3 | 3.23 | 4.92 | 5.17 | 4.76 | 3.93 | 3 | 3.1 | 3.4 | 47.52 |