Arizona frost dates: P
| City | Last frost | First frost | Season | Zone |
|---|---|---|---|---|
| Page | Mar 27 | Nov 9 | 227 d | 7b |
| Palo Verde | Jan 7 | Dec 24 | 351 d | 9b |
| Paradise Valley | Jan 6 | Dec 26 | 354 d | 10a |
| Parker | Jan 12 | Dec 19 | 341 d | 9b |
| Parks | Jun 21 | Sep 17 | 88 d | 6b |
| Patagonia | Apr 23 | Oct 30 | 190 d | 8a |
| Paulden | May 24 | Oct 7 | 136 d | 8a |
| Payson | Apr 29 | Oct 24 | 178 d | 8a |
| Peach Springs | May 17 | Oct 10 | 146 d | 8a |
| Pearce | Apr 14 | Nov 2 | 202 d | 8a |
| Peoria | Jan 20 | Dec 15 | 329 d | 9b |
| Peridot | Mar 13 | Nov 19 | 251 d | 9a |
| Petrified Forest Natl Pk | May 22 | Oct 8 | 139 d | 7a |
| Phoenix | Jan 5 | Jan 3 | 363 d | 10a |
| Picacho | Feb 6 | Dec 9 | 306 d | 9a |
| Pima | Apr 1 | Nov 6 | 219 d | 8b |
| Pine | Apr 9 | Nov 10 | 215 d | 8a |
| Pinedale | May 5 | Oct 15 | 163 d | 6b |
| Pinetop | May 22 | Oct 6 | 137 d | 6b |
| Pinon | May 16 | Oct 10 | 147 d | 6b |
| Pirtleville | Mar 18 | Nov 13 | 240 d | 8a |
| Polacca | May 16 | Oct 10 | 147 d | 7a |
| Pomerene | Apr 12 | Nov 1 | 203 d | 8b |
| Poston | Jan 12 | Dec 19 | 341 d | 9a |
| Prescott | Apr 30 | Oct 20 | 173 d | 7b |
| Prescott (Yavapai) | May 24 | Oct 7 | 136 d | 7b |
| Prescott Valley | Apr 20 | Oct 27 | 190 d | 7b |