South Carolina frost dates: N
| City | Last frost | First frost | Season | Zone |
|---|---|---|---|---|
| Neeses | Mar 26 | Nov 6 | 225 d | 8b |
| Nesmith | Mar 23 | Nov 15 | 237 d | 8b |
| New Ellenton | Mar 21 | Nov 7 | 231 d | 8b |
| New Zion | Mar 27 | Nov 9 | 227 d | 8b |
| Newberry | Mar 31 | Nov 7 | 221 d | 8a |
| Newry | Mar 21 | Nov 11 | 235 d | 8b |
| Nichols | Mar 26 | Nov 11 | 230 d | 8b |
| Ninety Six | Mar 22 | Nov 13 | 236 d | 8a |
| Norris | Apr 1 | Nov 3 | 216 d | 8a |
| North | Mar 26 | Nov 6 | 225 d | 8b |
| North Augusta | Feb 27 | Dec 4 | 280 d | 8b |
| North Charleston | Mar 7 | Nov 27 | 265 d | 9a |
| North Myrtle Beach | Mar 13 | Nov 20 | 252 d | 8b |
| Norway | Mar 18 | Nov 12 | 239 d | 8b |