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South Carolina frost dates by city
| City | Last frost (50%) | Safer date (10%) | First frost (50%) | Season |
|---|---|---|---|---|
| Charleston | Mar 7 | Mar 27 | Nov 27 | 266 days |
| Columbia | Mar 25 | Apr 10 | Nov 7 | 229 days |
Each city uses its nearest major NOAA weather station, usually the airport. Valleys, hilltops and rural spots can differ from it by one to three weeks. How to read these dates.