Florida frost dates: S
| City | Last frost | First frost | Season | Zone |
|---|---|---|---|---|
| Safety Harbor | Jan 17 | Jan 14 | 362 d | 10a |
| Saint Augustine | Feb 1 | Jan 5 | 338 d | 9b |
| Saint Cloud | Jan 28 | Jan 6 | 343 d | 10a |
| Saint James City | Jan 16 | Jan 13 | 362 d | 10b |
| Saint Johns | Feb 1 | Jan 5 | 338 d | 9b |
| Saint Leo | Jan 31 | Jan 8 | 342 d | 9b |
| Saint Marks | Mar 11 | Nov 21 | 255 d | 9a |
| Saint Petersburg | Jan 17 | Jan 14 | 362 d | 10b |
| Salem | Mar 5 | Nov 25 | 265 d | 9a |
| San Antonio | Jan 31 | Jan 8 | 342 d | 9b |
| San Mateo | Jan 31 | Jan 4 | 338 d | 9b |
| Sanderson | Mar 8 | Dec 1 | 268 d | 9a |
| Sanford | Jan 26 | Jan 12 | 351 d | 9b |
| Sanibel | Jan 16 | Jan 13 | 362 d | 10b |
| Santa Rosa Beach | Feb 5 | Dec 28 | 326 d | 9a |
| Sarasota | Jan 15 | Jan 10 | 360 d | 10a |
| Satellite Beach | Jan 24 | Jan 9 | 350 d | 10a |
| Satsuma | Feb 1 | Jan 8 | 341 d | 9b |
| Scottsmoor | Feb 10 | Jan 8 | 332 d | 10a |
| Sebastian | Jan 30 | Jan 11 | 346 d | 10a |
| Sebring | Jan 28 | Jan 8 | 345 d | 9b |
| Seffner | Jan 20 | Jan 12 | 357 d | 9b |
| Seminole | Jan 17 | Jan 14 | 362 d | 10a |
| Seville | Feb 1 | Jan 8 | 341 d | 9b |
| Shady Grove | Mar 4 | Nov 26 | 267 d | 9a |
| Shalimar | Feb 5 | Dec 28 | 326 d | 9a |
| Sharpes | Jan 24 | Jan 9 | 350 d | 10a |
| Silver Springs | Feb 25 | Dec 12 | 290 d | 9a |
| Sneads | Mar 1 | Nov 27 | 271 d | 9a |
| Sopchoppy | Mar 8 | Nov 22 | 259 d | 9a |
| Sorrento | Feb 24 | Dec 29 | 308 d | 9b |
| South Bay | Jan 27 | Jan 16 | 354 d | 10a |
| Sparr | Feb 25 | Dec 12 | 290 d | 9a |
| Spring Hill | Feb 5 | Jan 1 | 330 d | 9b |
| Starke | Feb 8 | Dec 24 | 319 d | 9a |
| Steinhatchee | Mar 6 | Nov 26 | 265 d | 9a |
| Stuart | Jan 23 | Jan 18 | 360 d | 10b |
| Sumatra | Mar 1 | Nov 29 | 273 d | 9a |
| Summerfield | Feb 25 | Dec 12 | 290 d | 9b |
| Summerland Key | rare frost | 11b | ||
| Sumterville | Mar 2 | Dec 5 | 278 d | 9b |
| Sun City | Jan 20 | Jan 9 | 354 d | 10a |
| Sun City Center | Jan 20 | Jan 9 | 354 d | 10a |
| Suwannee | Feb 28 | Dec 2 | 277 d | 9b |
| Sydney | Jan 30 | Jan 6 | 341 d | 9b |