South Carolina frost dates: W
| City | Last frost | First frost | Season | Zone |
|---|---|---|---|---|
| Wadmalaw Island | Mar 1 | Dec 6 | 280 d | 9a |
| Wagener | Mar 26 | Nov 9 | 228 d | 8b |
| Walhalla | Apr 11 | Oct 30 | 202 d | 8a |
| Wallace | Mar 26 | Nov 9 | 228 d | 8a |
| Walterboro | Mar 19 | Nov 12 | 238 d | 8b |
| Ward | Mar 31 | Nov 4 | 218 d | 8a |
| Ware Shoals | Apr 1 | Nov 2 | 215 d | 8a |
| Warrenville | Apr 9 | Nov 1 | 206 d | 8b |
| Waterloo | Mar 22 | Nov 13 | 236 d | 8a |
| Wedgefield | Mar 21 | Nov 13 | 237 d | 8b |
| Wellford | Mar 28 | Nov 7 | 224 d | 8a |
| West Columbia | Mar 25 | Nov 7 | 227 d | 8b |
| West Union | Apr 11 | Oct 30 | 202 d | 8a |
| Westminster | Apr 11 | Oct 30 | 202 d | 8a |
| Westville | Mar 23 | Nov 14 | 236 d | 8a |
| White Rock | Mar 22 | Nov 11 | 234 d | 8b |
| White Stone | Apr 8 | Nov 1 | 207 d | 8a |
| Whitmire | Apr 6 | Oct 30 | 207 d | 8a |
| Williams | Mar 19 | Nov 12 | 238 d | 8b |
| Williamston | Apr 1 | Nov 4 | 217 d | 8a |
| Williston | Mar 20 | Nov 13 | 238 d | 8b |
| Windsor | Mar 21 | Nov 7 | 231 d | 8b |
| Winnsboro | Mar 31 | Nov 6 | 220 d | 8a |
| Woodruff | Mar 29 | Nov 5 | 221 d | 8a |