Arkansas frost dates: S
| City | Last frost | First frost | Season | Zone |
|---|---|---|---|---|
| Saffell | Mar 27 | Nov 5 | 223 d | 7b |
| Sage | Apr 14 | Oct 20 | 189 d | 7b |
| Saint Charles | Mar 17 | Nov 10 | 238 d | 8b |
| Saint Francis | Mar 29 | Nov 3 | 219 d | 7b |
| Saint Joe | Apr 14 | Oct 22 | 191 d | 7b |
| Saint Paul | Mar 30 | Nov 7 | 222 d | 7b |
| Salado | Mar 30 | Nov 5 | 220 d | 7b |
| Salem | Apr 8 | Oct 30 | 205 d | 7a |
| Saratoga | Mar 26 | Nov 9 | 228 d | 8b |
| Scotland | Apr 4 | Nov 2 | 212 d | 7b |
| Scott | Mar 21 | Nov 10 | 234 d | 8a |
| Scranton | Mar 28 | Nov 5 | 222 d | 8a |
| Searcy | Mar 27 | Nov 8 | 226 d | 8a |
| Sedgwick | Mar 27 | Nov 5 | 223 d | 8a |
| Sheridan | Apr 1 | Nov 3 | 216 d | 8a |
| Sherrill | Mar 14 | Nov 16 | 247 d | 8b |
| Sherwood | Mar 16 | Nov 16 | 245 d | 8a |
| Shirley | Apr 2 | Oct 31 | 212 d | 7b |
| Sidney | Apr 14 | Oct 20 | 189 d | 7a |
| Siloam Springs | Mar 31 | Nov 2 | 216 d | 7a |
| Sims | Apr 2 | Oct 31 | 212 d | 8a |
| Smackover | Mar 24 | Nov 7 | 228 d | 8a |
| Smithville | Mar 27 | Nov 5 | 223 d | 7b |
| Snow Lake | Mar 10 | Nov 18 | 253 d | 8b |
| Solgohachia | Mar 30 | Nov 2 | 217 d | 8a |
| Sparkman | Mar 29 | Nov 4 | 220 d | 8a |
| Springdale | Apr 4 | Oct 31 | 210 d | 7a |
| Springfield | Apr 9 | Oct 25 | 199 d | 8a |
| Stamps | Mar 19 | Nov 12 | 238 d | 8b |
| Star City | Mar 15 | Nov 17 | 247 d | 8b |
| State University | Apr 1 | Nov 1 | 214 d | 7b |
| Stephens | Mar 21 | Nov 6 | 230 d | 8a |
| Story | Apr 2 | Oct 31 | 212 d | 7b |
| Strawberry | Mar 27 | Nov 5 | 223 d | 7b |
| Strong | Mar 18 | Nov 7 | 234 d | 8b |
| Sturkie | Apr 8 | Oct 30 | 205 d | 7a |
| Stuttgart | Mar 11 | Nov 17 | 251 d | 8b |
| Subiaco | Mar 28 | Nov 5 | 222 d | 8a |
| Success | Mar 27 | Nov 4 | 222 d | 7b |
| Sulphur Rock | Mar 30 | Nov 5 | 220 d | 7b |
| Sulphur Springs | Apr 5 | Oct 28 | 206 d | 7a |
| Summers | Mar 31 | Nov 4 | 218 d | 7a |
| Summit | Apr 2 | Nov 1 | 213 d | 7b |
| Sweet Home | Mar 21 | Nov 10 | 234 d | 8a |
| Swifton | Mar 27 | Nov 5 | 223 d | 8a |