Florida frost dates: N
| City | Last frost | First frost | Season | Zone |
|---|---|---|---|---|
| Nalcrest | Feb 4 | Jan 4 | 334 d | 10a |
| Naples | Jan 18 | Jan 11 | 358 d | 10b |
| Navarre | Mar 1 | Nov 27 | 271 d | 9a |
| Neptune Beach | Jan 31 | Jan 10 | 344 d | 9b |
| New Port Richey | Jan 20 | Jan 9 | 354 d | 10a |
| New Smyrna Beach | Jan 28 | Jan 9 | 346 d | 10a |
| Newberry | Mar 4 | Dec 4 | 275 d | 9a |
| Niceville | Mar 12 | Nov 19 | 252 d | 9a |
| Nichols | Jan 26 | Jan 9 | 348 d | 9b |
| Nobleton | Feb 3 | Jan 3 | 334 d | 9a |
| Nocatee | Feb 7 | Jan 4 | 331 d | 9b |
| Nokomis | Jan 25 | Jan 19 | 359 d | 10a |
| Noma | Mar 5 | Nov 18 | 258 d | 8b |
| North Fort Myers | Jan 16 | Jan 13 | 362 d | 10b |
| North Miami Beach | rare frost | 11a | ||
| North Palm Beach | Jan 26 | Jan 16 | 355 d | 10b |
| North Port | Feb 1 | Jan 6 | 339 d | 10a |