Oklahoma frost dates: T
| City | Last frost | First frost | Season | Zone |
|---|---|---|---|---|
| Taft | Apr 7 | Oct 30 | 206 d | 7b |
| Tahlequah | Apr 4 | Oct 31 | 210 d | 7b |
| Talala | Apr 4 | Nov 1 | 211 d | 7a |
| Talihina | Apr 11 | Oct 27 | 199 d | 7b |
| Taloga | Apr 18 | Oct 21 | 186 d | 7a |
| Tatums | Apr 6 | Nov 1 | 209 d | 8a |
| Tecumseh | Mar 30 | Nov 5 | 220 d | 7b |
| Temple | Apr 1 | Nov 5 | 218 d | 8a |
| Terlton | Apr 6 | Oct 29 | 206 d | 7a |
| Terral | Mar 24 | Nov 8 | 229 d | 8a |
| Texhoma | Apr 18 | Oct 24 | 189 d | 6b |
| Texola | Apr 11 | Oct 26 | 198 d | 7b |
| Thackerville | Apr 6 | Nov 2 | 210 d | 8a |
| Thomas | Apr 6 | Nov 3 | 211 d | 7b |
| Tipton | Apr 3 | Nov 6 | 217 d | 7b |
| Tishomingo | Mar 29 | Nov 5 | 221 d | 8a |
| Tonkawa | Apr 8 | Oct 27 | 202 d | 7a |
| Tryon | Apr 4 | Nov 2 | 212 d | 7b |
| Tulsa | Mar 31 | Nov 4 | 218 d | 7b |
| Tupelo | Mar 31 | Nov 1 | 215 d | 7b |
| Turpin | Apr 17 | Oct 25 | 191 d | 6b |
| Tuskahoma | Apr 11 | Oct 27 | 199 d | 7b |
| Tussy | Mar 28 | Nov 7 | 224 d | 8a |
| Tuttle | Apr 3 | Nov 4 | 215 d | 7b |
| Twin Oaks | Mar 31 | Nov 2 | 216 d | 7a |
| Tyrone | Apr 20 | Oct 24 | 187 d | 6b |