Vermont frost dates: S
| City | Last frost | First frost | Season | Zone |
|---|---|---|---|---|
| Saint Albans | May 1 | Oct 12 | 164 d | 5a |
| Saint Albans Bay | May 1 | Oct 12 | 164 d | 5a |
| Saint Johnsbury | May 13 | Oct 3 | 143 d | 4b |
| Saint Johnsbury Center | May 13 | Oct 3 | 143 d | 4b |
| Salisbury | May 21 | Sep 26 | 128 d | 5a |
| Saxtons River | May 8 | Oct 3 | 148 d | 5b |
| Shaftsbury | May 11 | Oct 2 | 144 d | 5a |
| Sharon | May 9 | Oct 2 | 146 d | 5a |
| Sheffield | May 9 | Oct 1 | 145 d | 4b |
| Shelburne | Apr 29 | Oct 15 | 169 d | 5b |
| Sheldon | May 18 | Sep 30 | 135 d | 5a |
| Sheldon Springs | May 1 | Oct 12 | 164 d | 5a |
| Shoreham | May 5 | Oct 3 | 151 d | 5a |
| South Barre | May 16 | Sep 29 | 136 d | 5a |
| South Burlington | Apr 29 | Oct 15 | 169 d | 5a |
| South Hero | Apr 28 | Oct 20 | 175 d | 5b |
| South Londonderry | May 16 | Oct 2 | 139 d | 5a |
| South Newfane | May 14 | Oct 4 | 143 d | 5b |
| South Pomfret | May 13 | Oct 1 | 141 d | 5a |
| South Royalton | May 13 | Oct 1 | 141 d | 5a |
| South Ryegate | May 15 | Sep 28 | 136 d | 4b |
| South Strafford | May 9 | Oct 2 | 146 d | 5a |
| South Woodstock | May 13 | Oct 1 | 141 d | 5b |
| Springfield | May 9 | Oct 2 | 146 d | 5b |
| Stamford | May 10 | Oct 4 | 147 d | 5b |
| Starksboro | May 21 | Sep 25 | 127 d | 5a |
| Stockbridge | May 13 | Oct 2 | 142 d | 5a |
| Stowe | May 24 | Sep 27 | 126 d | 5a |
| Strafford | May 9 | Oct 2 | 146 d | 5a |
| Sutton | Jun 1 | Sep 13 | 104 d | 4b |
| Swanton | May 1 | Oct 12 | 164 d | 5a |