Minnesota frost dates: D
| City | Last frost | First frost | Season | Zone |
|---|---|---|---|---|
| Dakota | Apr 15 | Oct 28 | 196 d | 5a |
| Dalbo | May 8 | Oct 1 | 146 d | 4b |
| Dalton | May 4 | Oct 5 | 154 d | 4a |
| Danube | May 6 | Oct 1 | 148 d | 4b |
| Danvers | May 4 | Oct 3 | 152 d | 4b |
| Darfur | Apr 30 | Oct 7 | 160 d | 5a |
| Darwin | May 6 | Oct 2 | 149 d | 4b |
| Dassel | Apr 30 | Oct 10 | 163 d | 4b |
| Dawson | May 3 | Oct 2 | 152 d | 4b |
| Dayton | May 5 | Oct 2 | 150 d | 4b |
| Deer Creek | May 10 | Sep 30 | 143 d | 4a |
| Deer River | May 16 | Oct 1 | 138 d | 3b |
| Deerwood | May 16 | Sep 28 | 135 d | 4a |
| Delano | Apr 30 | Oct 8 | 161 d | 4b |
| Delavan | Apr 27 | Oct 10 | 166 d | 5a |
| Dennison | May 9 | Sep 30 | 144 d | 4b |
| Dent | May 5 | Oct 5 | 153 d | 4a |
| Detroit Lakes | May 15 | Sep 24 | 132 d | 4a |
| Dexter | May 6 | Oct 1 | 148 d | 4b |
| Dilworth | May 5 | Oct 3 | 151 d | 4a |
| Dodge Center | May 12 | Sep 28 | 139 d | 4b |
| Donaldson | May 8 | Sep 30 | 145 d | 4a |
| Donnelly | May 4 | Oct 1 | 150 d | 4b |
| Dover | Apr 30 | Oct 6 | 159 d | 4b |
| Dovray | May 2 | Oct 5 | 156 d | 5a |
| Duluth | May 14 | Oct 12 | 151 d | 4b |
| Dumont | May 1 | Oct 9 | 161 d | 4b |
| Dundas | May 5 | Oct 5 | 153 d | 4b |
| Dunnell | Apr 28 | Oct 8 | 163 d | 5a |