Alabama frost dates: S
| City | Last frost | First frost | Season | Zone |
|---|---|---|---|---|
| Safford | Mar 21 | Nov 5 | 229 d | 8b |
| Saginaw | Mar 12 | Nov 16 | 249 d | 8b |
| Saint Elmo | Mar 13 | Nov 24 | 256 d | 9a |
| Saint Stephens | Mar 18 | Nov 12 | 239 d | 8b |
| Salem | Mar 21 | Nov 18 | 242 d | 8b |
| Samantha | Mar 18 | Nov 10 | 237 d | 8a |
| Samson | Mar 23 | Nov 7 | 229 d | 8b |
| Saraland | Mar 3 | Nov 25 | 267 d | 9a |
| Sardis | Mar 21 | Nov 7 | 231 d | 8b |
| Satsuma | Feb 21 | Dec 6 | 288 d | 8b |
| Sawyerville | Mar 17 | Nov 11 | 239 d | 8b |
| Sayre | Mar 21 | Nov 11 | 235 d | 8a |
| Scottsboro | Apr 4 | Oct 30 | 209 d | 7b |
| Seale | Mar 26 | Nov 8 | 227 d | 8b |
| Section | Apr 4 | Oct 30 | 209 d | 8a |
| Selma | Mar 8 | Nov 18 | 255 d | 8b |
| Seminole | Feb 28 | Nov 29 | 274 d | 9a |
| Semmes | Mar 3 | Nov 25 | 267 d | 9a |
| Shannon | Mar 23 | Nov 10 | 232 d | 8b |
| Sheffield | Mar 30 | Nov 3 | 218 d | 8a |
| Shelby | Mar 21 | Nov 11 | 235 d | 8a |
| Shorter | Mar 25 | Nov 8 | 228 d | 8b |
| Shorterville | Mar 13 | Nov 21 | 253 d | 8b |
| Silas | Mar 26 | Nov 8 | 227 d | 8b |
| Siluria | Mar 19 | Nov 8 | 234 d | 8b |
| Silverhill | Mar 5 | Nov 23 | 263 d | 9a |
| Sipsey | Mar 30 | Nov 4 | 219 d | 8a |
| Skipperville | Mar 1 | Nov 24 | 268 d | 8b |
| Slocomb | Mar 5 | Nov 18 | 258 d | 9a |
| Smiths Station | Mar 21 | Nov 18 | 242 d | 8b |
| Somerville | Mar 26 | Nov 7 | 226 d | 8a |
| Spanish Fort | Mar 15 | Nov 19 | 249 d | 9a |
| Spring Garden | Apr 6 | Oct 31 | 208 d | 8a |
| Springville | Mar 26 | Nov 10 | 229 d | 8a |
| Spruce Pine | Apr 5 | Oct 28 | 206 d | 8a |
| Stanton | Mar 24 | Nov 10 | 231 d | 8b |
| Stapleton | Feb 28 | Nov 25 | 270 d | 9a |
| Steele | Mar 26 | Nov 10 | 229 d | 8a |
| Sterrett | Mar 31 | Nov 2 | 216 d | 8a |
| Stevenson | Apr 7 | Oct 31 | 207 d | 7b |
| Stockton | Feb 28 | Nov 25 | 270 d | 8b |
| Sulligent | Mar 29 | Nov 5 | 221 d | 8a |
| Sumiton | Mar 30 | Nov 4 | 219 d | 8a |
| Summerdale | Mar 5 | Nov 23 | 263 d | 9a |
| Sunflower | Mar 18 | Nov 12 | 239 d | 8b |
| Sweet Water | Mar 10 | Nov 21 | 256 d | 8b |
| Sycamore | Apr 2 | Oct 31 | 212 d | 8a |
| Sylacauga | Apr 2 | Oct 31 | 212 d | 8a |
| Sylvania | Mar 29 | Nov 8 | 224 d | 7b |