Nebraska frost dates: S
| City | Last frost | First frost | Season | Zone |
|---|---|---|---|---|
| Saint Edward | Apr 30 | Oct 5 | 158 d | 5b |
| Saint Helena | Apr 27 | Oct 11 | 167 d | 5a |
| Saint Libory | Apr 23 | Oct 15 | 175 d | 5b |
| Saint Paul | Apr 23 | Oct 14 | 174 d | 5b |
| Salem | Apr 18 | Oct 17 | 182 d | 6a |
| Sargent | May 3 | Oct 5 | 155 d | 5a |
| Saronville | Apr 19 | Oct 20 | 184 d | 6a |
| Schuyler | Apr 21 | Oct 15 | 177 d | 5b |
| Scotia | May 5 | Oct 3 | 151 d | 5b |
| Scottsbluff | May 8 | Oct 3 | 148 d | 5a |
| Scribner | Apr 28 | Oct 12 | 167 d | 5b |
| Seneca | May 7 | Oct 5 | 151 d | 5b |
| Seward | Apr 26 | Oct 12 | 169 d | 5b |
| Shelby | Apr 25 | Oct 14 | 172 d | 5b |
| Shelton | Apr 30 | Oct 10 | 163 d | 5b |
| Shickley | Apr 20 | Oct 18 | 181 d | 6a |
| Shubert | Apr 24 | Oct 10 | 169 d | 6a |
| Sidney | May 8 | Oct 4 | 149 d | 5b |
| Silver Creek | Apr 30 | Oct 5 | 158 d | 5b |
| Smithfield | Apr 26 | Oct 13 | 170 d | 5b |
| Snyder | Apr 28 | Oct 12 | 167 d | 5b |
| South Bend | Apr 23 | Oct 16 | 176 d | 5b |
| South Sioux City | Apr 29 | Oct 7 | 161 d | 5a |
| Spalding | May 5 | Oct 2 | 150 d | 5a |
| Sparks | May 12 | Sep 29 | 140 d | 5a |
| Spencer | May 4 | Oct 6 | 155 d | 5a |
| Sprague | Apr 23 | Oct 12 | 172 d | 6a |
| Springfield | Apr 21 | Oct 18 | 180 d | 5b |
| Springview | May 10 | Oct 1 | 144 d | 5a |
| St Columbans | Apr 17 | Oct 19 | 185 d | 6a |
| Stamford | May 4 | Oct 4 | 153 d | 6a |
| Stanton | Apr 28 | Oct 9 | 164 d | 5b |
| Staplehurst | Apr 26 | Oct 12 | 169 d | 5b |
| Stapleton | May 8 | Oct 3 | 148 d | 5b |
| Steele City | Apr 25 | Oct 15 | 173 d | 6a |
| Steinauer | Apr 23 | Oct 13 | 173 d | 6a |
| Stella | Apr 24 | Oct 10 | 169 d | 6a |
| Sterling | Apr 26 | Oct 10 | 167 d | 5b |
| Stockville | May 4 | Oct 5 | 154 d | 5b |
| Strang | Apr 20 | Oct 18 | 181 d | 6a |
| Stratton | Apr 29 | Oct 13 | 167 d | 5b |
| Stromsburg | Apr 25 | Oct 14 | 172 d | 5b |
| Stuart | May 4 | Oct 4 | 153 d | 5a |
| Sumner | May 10 | Oct 1 | 144 d | 5b |
| Superior | Apr 29 | Oct 10 | 164 d | 6a |
| Surprise | Apr 29 | Oct 9 | 163 d | 5b |
| Sutherland | May 4 | Oct 9 | 158 d | 5b |
| Sutton | Apr 19 | Oct 20 | 184 d | 6a |
| Swanton | Apr 24 | Oct 15 | 174 d | 6a |
| Syracuse | Apr 25 | Oct 11 | 169 d | 5b |