Massachusetts frost dates: D
| City | Last frost | First frost | Season | Zone |
|---|---|---|---|---|
| Dalton | May 5 | Oct 5 | 153 d | 5b |
| Danvers | Apr 24 | Oct 17 | 176 d | 6b |
| Dartmouth | Apr 29 | Oct 15 | 169 d | 7a |
| Dedham | Apr 18 | Oct 26 | 191 d | 6b |
| Deerfield | May 1 | Oct 11 | 163 d | 6a |
| Dennis | Apr 13 | Nov 3 | 204 d | 7b |
| Dennis Port | Apr 13 | Nov 3 | 204 d | 7b |
| Devens | Apr 29 | Oct 11 | 165 d | 6a |
| Dighton | Apr 22 | Oct 19 | 180 d | 7a |
| Dorchester | Apr 19 | Oct 23 | 187 d | 7a |
| Dorchester Center | Apr 19 | Oct 23 | 187 d | 6b |
| Douglas | May 1 | Oct 10 | 162 d | 6b |
| Dover | Apr 26 | Oct 12 | 169 d | 6b |
| Dracut | Apr 30 | Oct 10 | 163 d | 6a |
| Drury | May 17 | Oct 1 | 137 d | 5b |
| Dudley | May 1 | Oct 10 | 162 d | 6b |
| Dunstable | Apr 29 | Oct 8 | 162 d | 6a |
| Duxbury | Apr 15 | Nov 1 | 200 d | 7a |