California frost dates: K
| City | Last frost | First frost | Season | Zone |
|---|---|---|---|---|
| Kaweah | Mar 16 | Nov 26 | 255 d | 9b |
| Keeler | Apr 17 | Nov 1 | 198 d | 8b |
| Keene | Apr 28 | Oct 26 | 181 d | 9a |
| Kelseyville | Apr 10 | Nov 6 | 210 d | 9b |
| Kentfield | Jan 16 | Dec 18 | 336 d | 9b |
| Kenwood | Feb 3 | Dec 4 | 304 d | 9b |
| Kerman | Feb 18 | Nov 27 | 282 d | 9a |
| Kernville | Apr 7 | Nov 11 | 218 d | 8b |
| Kettleman City | Feb 19 | Nov 29 | 283 d | 9b |
| Keyes | Jan 31 | Dec 5 | 308 d | 9b |
| King City | Feb 23 | Nov 22 | 272 d | 9a |
| Kings Beach | May 17 | Oct 13 | 149 d | 6b |
| Kings Canyon National Pk | Jun 1 | Oct 7 | 128 d | 7b |
| Kingsburg | Feb 20 | Nov 23 | 276 d | 9b |
| Kirkwood | frost any month | 6b | ||
| Kit Carson | frost any month | 7a | ||
| Klamath | Mar 16 | Nov 20 | 249 d | 9b |
| Klamath River | Apr 30 | Oct 18 | 171 d | 8a |
| Kneeland | Mar 4 | Nov 22 | 263 d | 9b |
| Knights Landing | Feb 7 | Dec 5 | 301 d | 9b |
| Knightsen | Jan 12 | Dec 19 | 341 d | 9b |
| Korbel | Feb 22 | Dec 7 | 288 d | 9b |
| Kyburz | Apr 26 | Nov 2 | 190 d | 7b |