Texas frost dates: M
| City | Last frost | First frost | Season | Zone |
|---|---|---|---|---|
| Mabank | Mar 16 | Nov 14 | 243 d | 8b |
| Macdona | Feb 22 | Dec 2 | 283 d | 9a |
| Madisonville | Mar 16 | Nov 11 | 240 d | 9a |
| Magnolia | Feb 19 | Dec 3 | 287 d | 9a |
| Malakoff | Mar 18 | Nov 12 | 239 d | 8b |
| Malone | Mar 13 | Nov 14 | 246 d | 8b |
| Manchaca | Mar 10 | Nov 17 | 252 d | 9a |
| Manor | Mar 4 | Nov 24 | 265 d | 9a |
| Mansfield | Mar 9 | Nov 21 | 257 d | 8b |
| Manvel | Jan 31 | Dec 27 | 330 d | 9b |
| Maple | Apr 25 | Oct 19 | 177 d | 7a |
| Marathon | Apr 7 | Nov 1 | 208 d | 8b |
| Marble Falls | Mar 6 | Nov 23 | 262 d | 8b |
| Marfa | Apr 14 | Oct 27 | 196 d | 8a |
| Marietta | Mar 8 | Nov 22 | 259 d | 8b |
| Marion | Mar 8 | Nov 18 | 255 d | 9a |
| Markham | Feb 20 | Dec 3 | 286 d | 9b |
| Marlin | Mar 21 | Nov 9 | 233 d | 8b |
| Marquez | Mar 20 | Nov 12 | 237 d | 8b |
| Marshall | Mar 20 | Nov 11 | 236 d | 8b |
| Mart | Mar 21 | Nov 9 | 233 d | 8b |
| Martindale | Feb 28 | Nov 29 | 274 d | 9a |
| Martinsville | Mar 13 | Nov 17 | 249 d | 8b |
| Maryneal | Mar 30 | Nov 8 | 223 d | 8a |
| Mason | Mar 18 | Nov 13 | 240 d | 8b |
| Masterson | Apr 21 | Oct 24 | 186 d | 7a |
| Matador | Apr 5 | Nov 4 | 213 d | 7b |
| Matagorda | Feb 5 | Dec 16 | 314 d | 9b |
| Mathis | Jan 31 | Dec 23 | 326 d | 9b |
| Maud | Mar 4 | Nov 21 | 262 d | 8b |
| Mauriceville | Feb 28 | Nov 23 | 268 d | 9a |
| Maxwell | Feb 28 | Nov 29 | 274 d | 9a |
| May | Mar 26 | Nov 10 | 229 d | 8a |
| Maydelle | Mar 7 | Nov 25 | 263 d | 8b |
| Maypearl | Mar 16 | Nov 16 | 245 d | 8b |
| Mc Camey | Mar 12 | Nov 16 | 249 d | 8b |
| Mc Caulley | Mar 17 | Nov 15 | 243 d | 8a |
| Mc Dade | Mar 4 | Nov 24 | 265 d | 9a |
| Mc Gregor | Mar 15 | Nov 18 | 248 d | 8b |
| Mc Leod | Mar 19 | Nov 11 | 237 d | 8b |
| Mc Neil | Feb 20 | Dec 3 | 286 d | 9a |
| Mc Queeney | Mar 1 | Nov 26 | 270 d | 9a |
| Mcadoo | Apr 5 | Nov 5 | 214 d | 7b |
| Mcallen | Jan 9 | Jan 1 | 357 d | 10a |
| Mcfaddin | Feb 17 | Dec 8 | 294 d | 9b |
| Mckinney | Mar 17 | Nov 15 | 243 d | 8b |
| Mclean | Apr 10 | Oct 30 | 203 d | 7a |
| Meadow | Apr 3 | Nov 4 | 215 d | 7b |
| Medina | Mar 16 | Nov 15 | 244 d | 8b |
| Megargel | Mar 31 | Nov 8 | 222 d | 8a |
| Melissa | Mar 17 | Nov 15 | 243 d | 8b |
| Melvin | Mar 14 | Nov 15 | 246 d | 8b |
| Memphis | Apr 1 | Nov 3 | 216 d | 7b |
| Menard | Apr 7 | Oct 30 | 206 d | 8a |
| Mentone | Mar 18 | Nov 10 | 237 d | 8a |
| Mercedes | Jan 8 | Dec 31 | 357 d | 10a |
| Mereta | Mar 30 | Nov 5 | 220 d | 8a |
| Meridian | Mar 15 | Nov 14 | 244 d | 8b |
| Merit | Mar 18 | Nov 16 | 243 d | 8b |
| Merkel | Apr 2 | Nov 3 | 215 d | 8a |
| Mertens | Mar 21 | Nov 10 | 234 d | 8b |
| Mertzon | Apr 1 | Nov 4 | 217 d | 8a |
| Mesquite | Mar 2 | Nov 29 | 272 d | 8b |
| Mexia | Mar 13 | Nov 22 | 254 d | 8b |
| Meyersville | Mar 2 | Nov 27 | 270 d | 9a |
| Miami | Apr 16 | Oct 26 | 193 d | 7a |
| Mico | Feb 18 | Dec 9 | 294 d | 9a |
| Midfield | Feb 15 | Dec 8 | 296 d | 9b |
| Midkiff | Mar 16 | Nov 16 | 245 d | 8a |
| Midland | Mar 26 | Nov 9 | 228 d | 8b |
| Midlothian | Mar 16 | Nov 16 | 245 d | 8b |
| Midway | Mar 16 | Nov 11 | 240 d | 9a |
| Milam | Mar 18 | Nov 13 | 240 d | 9a |
| Milano | Mar 6 | Nov 23 | 262 d | 9a |
| Miles | Mar 22 | Nov 10 | 233 d | 8a |
| Milford | Mar 21 | Nov 10 | 234 d | 8b |
| Millersview | Mar 18 | Nov 12 | 239 d | 8b |
| Millican | Mar 7 | Nov 19 | 257 d | 9a |
| Millsap | Mar 24 | Nov 10 | 231 d | 8a |
| Minden | Mar 15 | Nov 16 | 246 d | 8b |
| Mineola | Mar 20 | Nov 11 | 236 d | 8b |
| Mineral | Feb 17 | Dec 8 | 294 d | 9a |
| Mineral Wells | Mar 24 | Nov 10 | 231 d | 8a |
| Mingus | Mar 23 | Nov 10 | 232 d | 8a |
| Mirando City | Jan 30 | Dec 18 | 322 d | 9b |
| Mission | Jan 23 | Dec 28 | 339 d | 10a |
| Missouri City | Feb 2 | Dec 11 | 312 d | 9b |
| Mobeetie | Apr 16 | Oct 26 | 193 d | 7a |
| Monahans | Apr 3 | Nov 6 | 217 d | 8a |
| Mont Belvieu | Feb 20 | Dec 4 | 287 d | 9b |
| Montague | Mar 27 | Nov 9 | 227 d | 8a |
| Montalba | Mar 12 | Nov 19 | 252 d | 8b |
| Montgomery | Feb 24 | Dec 2 | 281 d | 9a |
| Moody | Mar 15 | Nov 18 | 248 d | 8b |
| Moore | Feb 24 | Dec 2 | 281 d | 9a |
| Moran | Mar 30 | Nov 8 | 223 d | 8a |
| Morgan | Mar 15 | Nov 14 | 244 d | 8b |
| Morgan Mill | Mar 29 | Nov 8 | 224 d | 8b |
| Morse | Apr 21 | Oct 23 | 185 d | 7a |
| Morton | Apr 11 | Oct 31 | 203 d | 7b |
| Moscow | Mar 1 | Nov 24 | 268 d | 9a |
| Moulton | Mar 2 | Nov 27 | 270 d | 9a |
| Mound | Mar 19 | Nov 9 | 235 d | 8b |
| Mount Calm | Mar 13 | Nov 14 | 246 d | 8b |
| Mount Enterprise | Mar 13 | Nov 17 | 249 d | 8b |
| Mount Pleasant | Mar 24 | Nov 7 | 228 d | 8b |
| Mount Vernon | Mar 15 | Nov 16 | 246 d | 8b |
| Mountain Home | Apr 3 | Nov 1 | 212 d | 8a |
| Muenster | Mar 31 | Nov 4 | 218 d | 8a |
| Muldoon | Mar 2 | Nov 27 | 270 d | 9a |
| Muleshoe | Apr 22 | Oct 20 | 181 d | 7a |
| Mullin | Mar 23 | Nov 11 | 233 d | 8b |
| Mumford | Feb 27 | Nov 30 | 276 d | 9a |
| Munday | Mar 26 | Nov 11 | 230 d | 8a |
| Murchison | Mar 18 | Nov 12 | 239 d | 8b |
| Myra | Mar 19 | Nov 14 | 240 d | 8a |