Mississippi frost dates: S
| City | Last frost | First frost | Season | Zone |
|---|---|---|---|---|
| Sallis | Mar 18 | Nov 11 | 238 d | 8a |
| Saltillo | Mar 21 | Nov 10 | 234 d | 8a |
| Sandersville | Mar 12 | Nov 12 | 245 d | 8b |
| Sandhill | Mar 22 | Nov 6 | 229 d | 8b |
| Sandy Hook | Mar 5 | Nov 19 | 259 d | 9a |
| Sarah | Mar 20 | Nov 4 | 229 d | 8a |
| Sardis | Mar 15 | Nov 15 | 245 d | 8a |
| Satartia | Mar 11 | Nov 15 | 249 d | 8b |
| Saucier | Mar 7 | Nov 22 | 260 d | 9a |
| Schlater | Mar 7 | Nov 17 | 255 d | 8b |
| Scobey | Mar 28 | Nov 4 | 221 d | 8a |
| Scooba | Mar 12 | Nov 13 | 246 d | 8b |
| Scott | Mar 12 | Nov 13 | 246 d | 8b |
| Sebastopol | Mar 28 | Nov 2 | 219 d | 8b |
| Seminary | Mar 17 | Nov 12 | 240 d | 8b |
| Senatobia | Mar 20 | Nov 4 | 229 d | 8a |
| Shannon | Mar 21 | Nov 9 | 233 d | 8a |
| Sharon | Mar 22 | Nov 6 | 229 d | 8b |
| Shaw | Mar 14 | Nov 15 | 246 d | 8b |
| Shelby | Mar 15 | Nov 11 | 241 d | 8b |
| Sherard | Mar 16 | Nov 12 | 241 d | 8b |
| Sherman | Mar 21 | Nov 10 | 234 d | 8a |
| Shubuta | Mar 14 | Nov 16 | 247 d | 8b |
| Shuqualak | Mar 21 | Nov 7 | 231 d | 8b |
| Sibley | Mar 16 | Nov 9 | 238 d | 8b |
| Sidon | Mar 17 | Nov 5 | 233 d | 8b |
| Silver City | Mar 3 | Nov 21 | 263 d | 8b |
| Silver Creek | Mar 12 | Nov 10 | 243 d | 8b |
| Slate Spring | Mar 28 | Nov 5 | 222 d | 8a |
| Sledge | Mar 17 | Nov 7 | 235 d | 8a |
| Smithdale | Mar 15 | Nov 12 | 242 d | 8b |
| Smithville | Apr 1 | Oct 31 | 213 d | 8a |
| Sontag | Mar 12 | Nov 10 | 243 d | 8b |
| Soso | Mar 12 | Nov 12 | 245 d | 8b |
| Southaven | Mar 16 | Nov 16 | 245 d | 8a |
| Star | Mar 10 | Nov 16 | 251 d | 8b |
| Starkville | Mar 23 | Nov 8 | 230 d | 8a |
| State Line | Mar 26 | Nov 8 | 227 d | 8b |
| Steens | Mar 13 | Nov 12 | 244 d | 8a |
| Stennis Space Center | Mar 6 | Nov 19 | 258 d | 9a |
| Stewart | Apr 7 | Oct 29 | 205 d | 8a |
| Stoneville | Mar 11 | Nov 16 | 250 d | 8b |
| Stonewall | Mar 18 | Nov 10 | 237 d | 8b |
| Stringer | Mar 12 | Nov 12 | 245 d | 8b |
| Sturgis | Mar 21 | Nov 13 | 237 d | 8a |
| Summit | Mar 11 | Nov 18 | 252 d | 8b |
| Sumner | Mar 17 | Nov 7 | 235 d | 8b |
| Sumrall | Mar 7 | Nov 23 | 261 d | 8b |
| Sunflower | Mar 8 | Nov 20 | 257 d | 8b |
| Swan Lake | Mar 7 | Nov 17 | 255 d | 8b |
| Swiftown | Mar 8 | Nov 20 | 257 d | 8b |