New York frost dates: T
| City | Last frost | First frost | Season | Zone |
|---|---|---|---|---|
| Taberg | May 6 | Oct 13 | 160 d | 5a |
| Tallman | Apr 19 | Oct 23 | 187 d | 7a |
| Tannersville | May 20 | Sep 27 | 130 d | 5b |
| Tappan | Apr 20 | Oct 26 | 189 d | 7a |
| Tarrytown | Apr 20 | Oct 26 | 189 d | 7a |
| Thendara | May 18 | Sep 30 | 135 d | 4a |
| Theresa | May 2 | Oct 13 | 164 d | 5a |
| Thiells | Apr 25 | Oct 19 | 177 d | 7a |
| Thompson Ridge | May 1 | Oct 11 | 163 d | 6b |
| Thompsonville | May 7 | Oct 7 | 153 d | 6a |
| Thornwood | Apr 12 | Oct 31 | 202 d | 7a |
| Thousand Island Park | May 11 | Oct 1 | 143 d | 5a |
| Three Mile Bay | May 11 | Oct 1 | 143 d | 5b |
| Ticonderoga | May 5 | Oct 3 | 151 d | 4b |
| Tillson | Apr 21 | Oct 27 | 189 d | 6b |
| Tioga Center | May 6 | Oct 10 | 157 d | 6a |
| Tivoli | May 9 | Oct 4 | 148 d | 6a |
| Tomkins Cove | Apr 10 | Nov 1 | 205 d | 7a |
| Tonawanda | May 6 | Oct 15 | 162 d | 6b |
| Treadwell | May 17 | Oct 3 | 139 d | 5a |
| Tribes Hill | May 11 | Oct 3 | 145 d | 5b |
| Troupsburg | May 14 | Oct 5 | 144 d | 6a |
| Trout Creek | May 21 | Oct 1 | 133 d | 5b |
| Troy | Apr 19 | Oct 26 | 190 d | 6a |
| Trumansburg | May 10 | Oct 8 | 151 d | 6a |
| Truxton | May 12 | Oct 5 | 146 d | 5b |
| Tuckahoe | Apr 20 | Oct 26 | 189 d | 7b |
| Tully | May 12 | Oct 5 | 146 d | 5b |
| Tunnel | May 2 | Oct 11 | 162 d | 5b |
| Tupper Lake | May 16 | Sep 28 | 135 d | 4a |
| Turin | May 22 | Sep 26 | 127 d | 4b |
| Tuxedo Park | Apr 19 | Oct 23 | 187 d | 6b |
| Tyrone | May 10 | Oct 8 | 151 d | 6a |