Arizona frost dates
Median last spring frost and first fall frost for 269 places in Arizona. Last frost ranges from Feb 13 in Chandler to Jun 21 in Bellemont.
Largest cities
| City | Last frost | First frost | Season | Zone |
|---|---|---|---|---|
| Phoenix | Jan 5 | Jan 3 | 363 d | 10a |
| Tucson | Jan 20 | Dec 17 | 331 d | 9b |
| Mesa | Feb 1 | Dec 10 | 312 d | 9b |
| Chandler | Feb 13 | Dec 5 | 295 d | 9b |
| Gilbert | Feb 1 | Dec 11 | 313 d | 9b |
| Glendale | Jan 20 | Dec 15 | 329 d | 9b |
| Scottsdale | Jan 6 | Dec 26 | 354 d | 10a |
| Peoria | Jan 20 | Dec 15 | 329 d | 9b |
| Tempe | Feb 13 | Dec 5 | 295 d | 9b |
| Surprise | Jan 20 | Dec 15 | 329 d | 9b |
| Yuma | rare frost | 10a | ||
| San Tan Valley | Feb 1 | Dec 11 | 313 d | 9b |
| Avondale | Jan 7 | Dec 24 | 351 d | 9b |
| Goodyear | Jan 7 | Dec 24 | 351 d | 9b |
| Flagstaff | Jun 4 | Sep 28 | 116 d | 6a |
| Lake Havasu City | Jan 5 | Dec 29 | 358 d | 10a |
| Casa Grande | Feb 5 | Dec 6 | 304 d | 9a |
| Buckeye | Jan 7 | Dec 24 | 351 d | 9b |
| Maricopa | Feb 23 | Nov 24 | 274 d | 9a |
| Sierra Vista | Apr 5 | Nov 9 | 218 d | 8b |
| Prescott Valley | Apr 20 | Oct 27 | 190 d | 7b |
| Prescott | Apr 30 | Oct 20 | 173 d | 7b |
| Marana | Feb 23 | Dec 6 | 286 d | 9b |
| Bullhead City | Jan 4 | Dec 23 | 353 d | 10a |
| Apache Junction | Feb 11 | Dec 10 | 302 d | 9b |
| Sun City | Jan 20 | Dec 15 | 329 d | 9b |
| Queen Creek | Feb 1 | Dec 11 | 313 d | 9b |
| El Mirage | Jan 20 | Dec 15 | 329 d | 9b |
| San Luis | rare frost | 10a | ||
| Florence | Jan 30 | Dec 12 | 316 d | 9b |
| Kingman | Apr 2 | Nov 11 | 223 d | 8b |
| Sahuarita | Feb 25 | Nov 27 | 275 d | 9a |
| Sun City West | Jan 20 | Dec 15 | 329 d | 9b |
| Fountain Hills | Jan 6 | Dec 28 | 356 d | 9b |
| Green Valley | Feb 25 | Nov 27 | 275 d | 9a |
| Nogales | Apr 16 | Nov 2 | 200 d | 8b |
| Rio Rico | Apr 5 | Nov 10 | 219 d | 8b |
| Eloy | Feb 24 | Nov 28 | 277 d | 9a |
| Douglas | Mar 18 | Nov 13 | 240 d | 8a |
| Payson | Apr 29 | Oct 24 | 178 d | 8a |