Virginia frost dates: S
| City | Last frost | First frost | Season | Zone |
|---|---|---|---|---|
| Saint Charles | Apr 22 | Oct 20 | 181 d | 7a |
| Saint Paul | Apr 14 | Nov 1 | 201 d | 7a |
| Saint Stephens Church | Apr 7 | Nov 1 | 208 d | 7b |
| Salem | Apr 3 | Nov 1 | 212 d | 7b |
| Saltville | Apr 23 | Oct 20 | 180 d | 7a |
| Saluda | Apr 6 | Nov 1 | 209 d | 7b |
| Sandston | Apr 7 | Nov 1 | 208 d | 7b |
| Sandy Hook | Apr 17 | Oct 27 | 193 d | 7a |
| Sandy Level | Apr 22 | Oct 23 | 184 d | 7b |
| Sandy Point | Mar 30 | Nov 14 | 229 d | 8a |
| Sanford | Mar 31 | Nov 11 | 225 d | 8a |
| Saxe | Apr 10 | Oct 30 | 203 d | 7b |
| Saxis | Mar 31 | Nov 11 | 225 d | 8a |
| Schley | Apr 1 | Nov 10 | 223 d | 8a |
| Schuyler | Apr 15 | Oct 25 | 193 d | 7b |
| Scottsburg | Apr 10 | Oct 30 | 203 d | 7b |
| Scottsville | Apr 23 | Oct 21 | 181 d | 7a |
| Seaford | Apr 1 | Nov 9 | 222 d | 8a |
| Sealston | Apr 14 | Oct 27 | 196 d | 7b |
| Seaview | Mar 28 | Nov 17 | 234 d | 8a |
| Sedley | Apr 7 | Nov 2 | 209 d | 7b |
| Selma | Apr 27 | Oct 18 | 174 d | 7a |
| Severn | Apr 1 | Nov 10 | 223 d | 8a |
| Shacklefords | Apr 6 | Nov 1 | 209 d | 7b |
| Sharps | Apr 8 | Oct 30 | 205 d | 8a |
| Shawsville | Apr 19 | Oct 23 | 187 d | 7a |
| Shenandoah | May 1 | Oct 19 | 171 d | 7a |
| Shipman | Apr 15 | Oct 25 | 193 d | 7b |
| Shortt Gap | Apr 27 | Oct 18 | 174 d | 6b |
| Singers Glen | Apr 21 | Oct 23 | 185 d | 7a |
| Skippers | Mar 31 | Nov 6 | 220 d | 8a |
| Skipwith | Apr 6 | Nov 1 | 209 d | 7b |
| Smithfield | Mar 27 | Nov 15 | 233 d | 8a |
| Somerset | Apr 17 | Oct 22 | 188 d | 7a |
| Somerville | Apr 9 | Nov 1 | 206 d | 7a |
| South Boston | Apr 10 | Oct 30 | 203 d | 7b |
| South Hill | Apr 5 | Nov 1 | 210 d | 7b |
| Sparta | Apr 14 | Oct 27 | 196 d | 7b |
| Speedwell | Apr 16 | Oct 27 | 194 d | 7a |
| Spencer | Apr 24 | Oct 21 | 180 d | 7b |
| Sperryville | Apr 16 | Oct 27 | 194 d | 7a |
| Spotsylvania | Apr 6 | Nov 1 | 209 d | 7a |
| Spout Spring | Apr 7 | Nov 1 | 208 d | 7b |
| Spring Grove | Apr 10 | Nov 1 | 205 d | 7b |
| Springfield | Apr 14 | Oct 29 | 198 d | 7b |
| Stafford | Mar 28 | Nov 8 | 225 d | 7b |
| Staffordsville | Apr 27 | Oct 17 | 173 d | 7a |
| Stanardsville | Apr 3 | Nov 1 | 212 d | 7b |
| Stanley | May 1 | Oct 19 | 171 d | 7a |
| Stanleytown | Apr 24 | Oct 21 | 180 d | 7b |
| Star Tannery | Apr 26 | Oct 17 | 174 d | 7a |
| State Farm | Apr 17 | Oct 27 | 193 d | 7a |
| Staunton | Apr 15 | Oct 27 | 195 d | 7a |
| Steeles Tavern | May 2 | Oct 13 | 164 d | 7a |
| Stephens City | Apr 11 | Oct 29 | 201 d | 7a |
| Stephenson | Apr 25 | Oct 18 | 176 d | 7a |
| Sterling | Apr 13 | Oct 26 | 196 d | 7b |
| Stevensburg | Apr 21 | Oct 22 | 184 d | 7a |
| Stevensville | Apr 7 | Nov 1 | 208 d | 7b |
| Stony Creek | Apr 9 | Oct 29 | 203 d | 7b |
| Strasburg | Apr 26 | Oct 17 | 174 d | 7a |
| Stratford | Apr 8 | Oct 30 | 205 d | 7b |
| Stuart | Apr 19 | Oct 27 | 191 d | 7b |
| Stuarts Draft | Apr 21 | Oct 23 | 185 d | 7a |
| Studley | Apr 10 | Oct 31 | 204 d | 7b |
| Suffolk | Mar 27 | Nov 15 | 233 d | 8a |
| Sugar Grove | Apr 16 | Oct 27 | 194 d | 7a |
| Sumerduck | Apr 9 | Nov 1 | 206 d | 7a |
| Surry | Mar 31 | Nov 10 | 224 d | 8a |
| Susan | Apr 1 | Nov 10 | 223 d | 8a |
| Sussex | Apr 9 | Oct 29 | 203 d | 7b |
| Sutherland | Apr 3 | Nov 3 | 214 d | 7b |
| Sutherlin | Apr 10 | Oct 28 | 201 d | 7b |
| Sweet Briar | Apr 15 | Oct 25 | 193 d | 7b |
| Swoope | Apr 15 | Oct 27 | 195 d | 7a |
| Swords Creek | Apr 27 | Oct 18 | 174 d | 7a |
| Syria | May 1 | Oct 19 | 171 d | 6b |