Arizona frost dates: T
| City | Last frost | First frost | Season | Zone |
|---|---|---|---|---|
| Tacna | Feb 13 | Dec 1 | 291 d | 9b |
| Taylor | May 11 | Oct 10 | 152 d | 7a |
| Teec Nos Pos | Apr 11 | Nov 1 | 204 d | 7a |
| Tempe | Feb 13 | Dec 5 | 295 d | 9b |
| Temple Bar Marina | Apr 2 | Nov 11 | 223 d | 9b |
| Thatcher | Mar 25 | Nov 9 | 229 d | 8b |
| Tolleson | Jan 7 | Dec 24 | 351 d | 9b |
| Tombstone | Mar 4 | Nov 29 | 270 d | 8b |
| Tonalea | May 7 | Oct 15 | 161 d | 7a |
| Tonopah | Jan 21 | Dec 15 | 328 d | 9b |
| Tonto Basin | Mar 7 | Nov 20 | 258 d | 9a |
| Topawa | Apr 26 | Nov 4 | 192 d | 9a |
| Topock | Jan 6 | Jan 2 | 361 d | 9b |
| Tortilla Flat | Jan 29 | Dec 24 | 329 d | 9b |
| Tsaile | May 3 | Oct 17 | 167 d | 7a |
| Tuba City | Apr 16 | Oct 28 | 195 d | 7b |
| Tubac | Apr 5 | Nov 10 | 219 d | 8b |
| Tucson | Jan 20 | Dec 17 | 331 d | 9b |
| Tumacacori | Apr 5 | Nov 10 | 219 d | 8b |