South Carolina frost dates: C
| City | Last frost | First frost | Season | Zone |
|---|---|---|---|---|
| Cades | Mar 27 | Nov 9 | 227 d | 8b |
| Calhoun Falls | Mar 27 | Nov 7 | 225 d | 8a |
| Camden | Apr 4 | Nov 4 | 214 d | 8a |
| Cameron | Mar 13 | Nov 15 | 247 d | 8b |
| Campobello | Mar 27 | Nov 12 | 230 d | 8a |
| Canadys | Mar 19 | Nov 12 | 238 d | 8b |
| Carlisle | Apr 4 | Nov 1 | 211 d | 8a |
| Cassatt | Apr 4 | Nov 4 | 214 d | 8a |
| Catawba | Mar 27 | Nov 5 | 223 d | 8a |
| Cayce | Mar 25 | Nov 7 | 227 d | 8b |
| Centenary | Mar 22 | Nov 11 | 234 d | 8b |
| Central | Apr 1 | Nov 3 | 216 d | 8a |
| Chapin | Mar 22 | Nov 11 | 234 d | 8b |
| Chappells | Apr 1 | Nov 4 | 217 d | 8a |
| Charleston | Feb 4 | Dec 30 | 329 d | 9a |
| Charleston Afb | Mar 7 | Nov 27 | 265 d | 9a |
| Cheraw | Mar 26 | Nov 9 | 228 d | 8a |
| Chesnee | Apr 13 | Oct 26 | 196 d | 8a |
| Chester | Apr 3 | Nov 2 | 213 d | 8a |
| Chesterfield | Apr 1 | Nov 3 | 216 d | 8a |
| Clarks Hill | Mar 15 | Nov 18 | 248 d | 8b |
| Clearwater | Apr 9 | Nov 1 | 206 d | 8b |
| Clemson | Apr 1 | Nov 3 | 216 d | 8b |
| Cleveland | Apr 10 | Nov 2 | 206 d | 8a |
| Clifton | Apr 8 | Nov 1 | 207 d | 8a |
| Clinton | Mar 29 | Nov 4 | 220 d | 8a |
| Clio | Mar 26 | Nov 8 | 227 d | 8b |
| Clover | Mar 24 | Nov 9 | 230 d | 8a |
| Columbia | Mar 16 | Nov 16 | 245 d | 8b |
| Conestee | Mar 28 | Nov 7 | 224 d | 8a |
| Converse | Apr 8 | Nov 1 | 207 d | 8a |
| Conway | Mar 15 | Nov 22 | 252 d | 8b |
| Coosawhatchie | Mar 23 | Nov 6 | 228 d | 8b |
| Cope | Mar 18 | Nov 12 | 239 d | 8b |
| Cordesville | Mar 10 | Nov 26 | 261 d | 8b |
| Cordova | Mar 15 | Nov 19 | 249 d | 8b |
| Cottageville | Mar 19 | Nov 12 | 238 d | 8b |
| Coward | Mar 20 | Nov 13 | 238 d | 8b |
| Cowpens | Apr 13 | Oct 26 | 196 d | 8a |
| Crocketville | Mar 6 | Nov 26 | 265 d | 8b |
| Cross | Mar 10 | Nov 26 | 261 d | 8b |
| Cross Anchor | Apr 6 | Oct 30 | 207 d | 8a |
| Cross Hill | Mar 22 | Nov 13 | 236 d | 8a |