Arizona frost dates: C
| City | Last frost | First frost | Season | Zone |
|---|---|---|---|---|
| Cameron | Apr 16 | Oct 28 | 195 d | 7b |
| Camp Verde | Apr 16 | Oct 30 | 197 d | 8b |
| Carefree | Feb 4 | Dec 16 | 315 d | 9b |
| Casa Grande | Feb 5 | Dec 6 | 304 d | 9a |
| Cashion | Jan 7 | Dec 24 | 351 d | 9b |
| Catalina | Apr 2 | Nov 11 | 223 d | 9a |
| Cave Creek | Feb 4 | Dec 16 | 315 d | 9b |
| Central | Mar 25 | Nov 9 | 229 d | 8b |
| Chambers | May 22 | Oct 8 | 139 d | 7a |
| Chandler | Feb 13 | Dec 5 | 295 d | 9b |
| Chandler Heights | Feb 1 | Dec 11 | 313 d | 9b |
| Chinle | May 6 | Oct 8 | 155 d | 7a |
| Chino Valley | Apr 27 | Oct 24 | 180 d | 8a |
| Chloride | Apr 2 | Nov 11 | 223 d | 8b |
| Cibecue | May 23 | Oct 5 | 135 d | 7a |
| Cibola | Jan 25 | Dec 12 | 321 d | 9b |
| Clarkdale | Mar 30 | Nov 10 | 225 d | 8b |
| Clay Springs | May 23 | Oct 5 | 135 d | 6b |
| Claypool | Mar 11 | Nov 21 | 255 d | 9a |
| Clifton | Feb 26 | Nov 23 | 270 d | 8a |
| Cochise | Apr 9 | Oct 31 | 205 d | 8b |
| Colorado City | Apr 26 | Oct 25 | 182 d | 7b |
| Concho | May 2 | Oct 14 | 165 d | 7a |
| Congress | Mar 7 | Nov 20 | 258 d | 9a |
| Coolidge | Feb 17 | Nov 29 | 285 d | 9a |
| Cornville | Mar 30 | Nov 10 | 225 d | 8b |
| Cortaro | Feb 26 | Dec 4 | 281 d | 9b |
| Cottonwood | Mar 30 | Nov 10 | 225 d | 8b |
| Crown King | Apr 5 | Nov 17 | 226 d | 8a |