California frost dates: D
| City | Last frost | First frost | Season | Zone |
|---|---|---|---|---|
| Daggett | Feb 19 | Nov 26 | 280 d | 9a |
| Daly City | Dec 30 | Dec 25 | 360 d | 10a |
| Dana Point | Jan 6 | Jan 2 | 361 d | 10b |
| Danville | Mar 8 | Dec 22 | 289 d | 9b |
| Darwin | Apr 17 | Nov 1 | 198 d | 8b |
| Davenport | Mar 25 | Nov 11 | 231 d | 9b |
| Davis | Feb 10 | Dec 1 | 294 d | 9b |
| Davis Creek | May 26 | Oct 1 | 128 d | 6b |
| Death Valley | Jan 1 | Dec 19 | 352 d | 9a |
| Deer Park | Apr 7 | Dec 5 | 242 d | 9b |
| Del Mar | rare frost | 10b | ||
| Del Rey | Jan 30 | Dec 11 | 315 d | 9b |
| Delano | Jan 31 | Dec 8 | 311 d | 9b |
| Delhi | Jan 6 | Dec 20 | 348 d | 9b |
| Denair | Jan 6 | Dec 20 | 348 d | 9b |
| Descanso | Apr 19 | Oct 27 | 191 d | 9b |
| Desert Center | Jan 10 | Jan 8 | 363 d | 10a |
| Desert Hot Springs | Jan 9 | Jan 9 | 365 d | 10a |
| Diablo | Mar 8 | Dec 22 | 289 d | 9b |
| Diamond Bar | Jan 8 | Dec 28 | 354 d | 10a |
| Diamond Springs | Mar 31 | Nov 21 | 235 d | 9b |
| Dillon Beach | Jan 1 | Dec 31 | 364 d | 10a |
| Dinuba | Jan 23 | Dec 13 | 324 d | 9b |
| Discovery Bay | Jan 19 | Dec 10 | 325 d | 9b |
| Dixon | Feb 10 | Dec 1 | 294 d | 9b |
| Dobbins | Apr 1 | Nov 17 | 230 d | 9a |
| Dodgertown | rare frost | 10b | ||
| Dorris | Jun 5 | Sep 20 | 107 d | 6b |
| Dos Palos | Jan 26 | Dec 10 | 318 d | 9a |
| Dos Rios | Apr 23 | Oct 19 | 179 d | 9a |
| Douglas City | May 3 | Oct 11 | 161 d | 8b |
| Douglas Flat | Feb 20 | Dec 11 | 294 d | 9a |
| Downey | rare frost | 10b | ||
| Downieville | Apr 28 | Oct 25 | 180 d | 8a |
| Doyle | May 21 | Oct 1 | 133 d | 7a |
| Drytown | Mar 4 | Dec 11 | 282 d | 9b |
| Duarte | Apr 28 | Nov 15 | 201 d | 10a |
| Dublin | Feb 15 | Dec 2 | 290 d | 9b |
| Ducor | Jan 20 | Dec 13 | 327 d | 9b |
| Dulzura | Jan 6 | Dec 31 | 359 d | 10a |
| Duncans Mills | Jan 29 | Dec 30 | 335 d | 9b |
| Dunlap | Jun 1 | Oct 7 | 128 d | 9a |
| Dunnigan | Feb 7 | Dec 5 | 301 d | 9b |
| Dunsmuir | Apr 23 | Oct 27 | 187 d | 8a |
| Durham | Mar 4 | Nov 17 | 258 d | 9a |
| Dutch Flat | May 4 | Nov 4 | 184 d | 9a |