New Jersey frost dates: C
| City | Last frost | First frost | Season | Zone |
|---|---|---|---|---|
| Caldwell | Apr 18 | Oct 24 | 189 d | 7a |
| Califon | Apr 26 | Oct 18 | 175 d | 6b |
| Camden | Mar 30 | Nov 17 | 232 d | 7b |
| Cape May | Apr 1 | Nov 9 | 222 d | 8a |
| Cape May Court House | Apr 24 | Oct 22 | 181 d | 7b |
| Cape May Point | Apr 1 | Nov 9 | 222 d | 8a |
| Carlstadt | Apr 3 | Nov 4 | 215 d | 7b |
| Carteret | Apr 11 | Oct 31 | 203 d | 7b |
| Cedar Brook | Apr 14 | Oct 27 | 196 d | 7a |
| Cedar Grove | Apr 15 | Oct 28 | 196 d | 7a |
| Cedar Knolls | Apr 17 | Oct 23 | 189 d | 7a |
| Cedarville | Apr 24 | Oct 23 | 182 d | 7b |
| Changewater | Apr 30 | Oct 18 | 171 d | 6b |
| Chatham | Apr 18 | Oct 27 | 192 d | 7a |
| Chatsworth | Apr 28 | Oct 15 | 170 d | 7a |
| Cherry Hill | Apr 12 | Nov 1 | 203 d | 7b |
| Chester | Apr 26 | Oct 18 | 175 d | 6b |
| Chesterfield | Apr 25 | Oct 16 | 174 d | 7a |
| Clark | Apr 11 | Oct 31 | 203 d | 7a |
| Clarksboro | Apr 2 | Nov 10 | 222 d | 7b |
| Clayton | Apr 8 | Nov 1 | 207 d | 7b |
| Clementon | Apr 8 | Nov 1 | 207 d | 7b |
| Cliffside Park | Mar 30 | Nov 20 | 235 d | 7b |
| Cliffwood | Apr 17 | Oct 23 | 189 d | 7b |
| Clifton | Apr 15 | Oct 28 | 196 d | 7a |
| Clinton | Apr 24 | Oct 21 | 180 d | 7a |
| Closter | Apr 20 | Oct 26 | 189 d | 7a |
| Collingswood | Apr 15 | Oct 31 | 199 d | 7b |
| Cologne | Apr 18 | Oct 29 | 194 d | 7a |
| Colonia | Apr 11 | Oct 28 | 200 d | 7a |
| Colts Neck | Apr 17 | Oct 23 | 189 d | 7a |
| Columbia | Apr 30 | Oct 18 | 171 d | 6b |
| Columbus | Apr 15 | Oct 29 | 197 d | 7a |
| Convent Station | Apr 18 | Oct 27 | 192 d | 7a |
| Cookstown | Apr 15 | Oct 29 | 197 d | 7a |
| Cranbury | Apr 25 | Oct 16 | 174 d | 7a |
| Cranford | Apr 11 | Oct 31 | 203 d | 7a |
| Cream Ridge | Apr 25 | Oct 16 | 174 d | 7a |
| Cresskill | Apr 3 | Nov 4 | 215 d | 7a |