Maine frost dates: D
| City | Last frost | First frost | Season | Zone |
|---|---|---|---|---|
| Damariscotta | Apr 27 | Oct 18 | 174 d | 6a |
| Danforth | May 25 | Sep 24 | 122 d | 4b |
| Danville | May 3 | Oct 7 | 157 d | 5b |
| Deer Isle | May 8 | Oct 9 | 154 d | 6a |
| Denmark | May 12 | Oct 1 | 142 d | 5a |
| Dennysville | Apr 29 | Oct 25 | 179 d | 5b |
| Detroit | May 8 | Oct 3 | 148 d | 5a |
| Dexter | May 8 | Oct 3 | 148 d | 5a |
| Dixfield | May 4 | Oct 6 | 155 d | 5a |
| Dixmont | May 4 | Oct 4 | 153 d | 5a |
| Dover Foxcroft | May 15 | Sep 28 | 136 d | 5a |
| Dresden | May 8 | Oct 7 | 152 d | 5b |
| Dryden | May 16 | Sep 26 | 133 d | 4b |
| Durham | May 15 | Oct 2 | 140 d | 5b |