Missouri frost dates: N
| City | Last frost | First frost | Season | Zone |
|---|---|---|---|---|
| Napoleon | Apr 19 | Oct 18 | 182 d | 6a |
| Naylor | Apr 12 | Oct 26 | 197 d | 7b |
| Neck City | Apr 9 | Oct 27 | 201 d | 7a |
| Neelyville | Mar 27 | Nov 4 | 222 d | 7b |
| Nelson | Apr 10 | Oct 24 | 197 d | 6b |
| Neosho | Apr 7 | Oct 31 | 207 d | 7a |
| Nevada | Apr 7 | Oct 27 | 203 d | 7a |
| New Bloomfield | Apr 10 | Oct 26 | 199 d | 6b |
| New Boston | Apr 15 | Oct 20 | 188 d | 6a |
| New Cambria | Apr 8 | Oct 28 | 203 d | 6a |
| New Florence | Apr 14 | Oct 23 | 192 d | 6b |
| New Franklin | Apr 13 | Oct 22 | 192 d | 6b |
| New Hampton | Apr 17 | Oct 21 | 187 d | 5b |
| New Haven | Apr 27 | Oct 13 | 169 d | 6b |
| New London | Apr 4 | Nov 4 | 214 d | 6a |
| New Madrid | Mar 28 | Nov 3 | 220 d | 7b |
| New Melle | Apr 10 | Oct 26 | 199 d | 6b |
| Newark | Apr 17 | Oct 19 | 185 d | 6a |
| Newburg | Apr 5 | Nov 1 | 210 d | 6b |
| Newtonia | Apr 7 | Oct 31 | 207 d | 7a |
| Newtown | Apr 25 | Oct 15 | 173 d | 5b |
| Niangua | Apr 15 | Oct 22 | 190 d | 6b |
| Nixa | Apr 15 | Oct 23 | 191 d | 6b |
| Noble | Apr 10 | Oct 27 | 200 d | 7a |
| Noel | Apr 15 | Oct 26 | 194 d | 7a |
| Norborne | Apr 16 | Oct 23 | 190 d | 6a |
| Norwood | Apr 11 | Oct 26 | 198 d | 7a |
| Novelty | Apr 17 | Oct 19 | 185 d | 6a |
| Novinger | Apr 21 | Oct 19 | 181 d | 6a |