Texas frost dates: N
| City | Last frost | First frost | Season | Zone |
|---|---|---|---|---|
| Nacogdoches | Mar 13 | Nov 17 | 249 d | 8b |
| Nada | Feb 21 | Dec 1 | 283 d | 9a |
| Naples | Mar 24 | Nov 7 | 228 d | 8b |
| Nash | Mar 15 | Nov 17 | 247 d | 8b |
| Natalia | Feb 24 | Dec 2 | 281 d | 9a |
| Naval Air Station Jrb | Mar 5 | Nov 24 | 264 d | 8b |
| Navasota | Mar 7 | Nov 19 | 257 d | 9a |
| Nazareth | Apr 22 | Oct 23 | 184 d | 7a |
| Neches | Mar 23 | Nov 9 | 231 d | 8b |
| Nederland | Feb 14 | Dec 7 | 296 d | 9b |
| Needville | Feb 15 | Dec 6 | 294 d | 9b |
| Nemo | Mar 28 | Nov 7 | 224 d | 8b |
| Nevada | Mar 10 | Nov 19 | 254 d | 8b |
| New Baden | Feb 28 | Nov 28 | 273 d | 8b |
| New Boston | Mar 26 | Nov 6 | 225 d | 8b |
| New Braunfels | Mar 8 | Nov 18 | 255 d | 9a |
| New Caney | Feb 13 | Dec 9 | 299 d | 9a |
| New Deal | Apr 4 | Nov 2 | 212 d | 7b |
| New Home | Mar 24 | Nov 11 | 232 d | 7b |
| New London | Mar 15 | Nov 16 | 246 d | 8b |
| New Summerfield | Mar 22 | Nov 14 | 237 d | 8b |
| New Ulm | Mar 9 | Nov 20 | 256 d | 9a |
| New Waverly | Mar 11 | Nov 19 | 253 d | 9a |
| Newark | Mar 12 | Nov 17 | 250 d | 8b |
| Newcastle | Apr 1 | Nov 5 | 218 d | 8a |
| Newton | Mar 9 | Nov 22 | 258 d | 9a |
| Nixon | Mar 7 | Nov 22 | 260 d | 9a |
| Nocona | Mar 24 | Nov 8 | 229 d | 8a |
| Nolan | Apr 2 | Nov 3 | 215 d | 8a |
| Nolanville | Mar 14 | Nov 20 | 251 d | 8b |
| Nome | Feb 18 | Dec 2 | 287 d | 9a |
| Nordheim | Feb 16 | Dec 9 | 296 d | 9a |
| Normangee | Mar 16 | Nov 11 | 240 d | 9a |
| Normanna | Feb 17 | Dec 8 | 294 d | 9b |
| North Houston | Feb 13 | Dec 9 | 299 d | 9b |
| North Richland Hills | Mar 10 | Nov 20 | 255 d | 8b |
| North Zulch | Mar 16 | Nov 11 | 240 d | 9a |
| Norton | Apr 3 | Nov 4 | 215 d | 8a |
| Notrees | Mar 14 | Nov 14 | 245 d | 8a |
| Novice | Mar 29 | Nov 7 | 223 d | 8a |
| Nursery | Feb 14 | Dec 9 | 298 d | 9a |