New York frost dates: M
| City | Last frost | First frost | Season | Zone |
|---|---|---|---|---|
| Macedon | May 2 | Oct 17 | 168 d | 6b |
| Machias | May 14 | Oct 6 | 145 d | 5b |
| Madison | May 6 | Oct 9 | 156 d | 5b |
| Madrid | May 9 | Sep 30 | 144 d | 4b |
| Mahopac | Apr 30 | Oct 17 | 170 d | 6b |
| Mahopac Falls | Apr 30 | Oct 17 | 170 d | 6b |
| Maine | May 2 | Oct 11 | 162 d | 6a |
| Malden Bridge | Apr 27 | Oct 14 | 170 d | 6a |
| Malden On Hudson | May 9 | Oct 4 | 148 d | 6a |
| Mallory | May 4 | Oct 11 | 160 d | 5b |
| Malone | May 6 | Oct 4 | 151 d | 4b |
| Malverne | Apr 7 | Nov 8 | 215 d | 7b |
| Mamaroneck | Apr 20 | Oct 26 | 189 d | 7b |
| Manchester | Apr 29 | Oct 22 | 176 d | 6b |
| Manhasset | Apr 2 | Nov 12 | 224 d | 7b |
| Manlius | Apr 29 | Oct 19 | 173 d | 5b |
| Mannsville | May 10 | Oct 14 | 157 d | 5b |
| Manorville | Apr 21 | Oct 24 | 186 d | 7a |
| Maple Springs | Apr 21 | Nov 5 | 198 d | 6a |
| Maple View | May 10 | Oct 14 | 157 d | 5b |
| Maplecrest | May 20 | Sep 27 | 130 d | 5b |
| Marathon | May 4 | Oct 16 | 165 d | 5b |
| Marcellus | May 2 | Oct 18 | 169 d | 6a |
| Marcy | May 1 | Oct 13 | 165 d | 5b |
| Margaretville | May 19 | Oct 1 | 135 d | 5b |
| Marietta | May 2 | Oct 18 | 169 d | 6a |
| Marilla | May 7 | Oct 10 | 156 d | 6a |
| Marion | May 6 | Oct 10 | 157 d | 6b |
| Marlboro | Apr 30 | Oct 14 | 167 d | 6b |
| Martinsburg | May 8 | Oct 1 | 146 d | 4b |
| Martville | Apr 27 | Oct 24 | 180 d | 6a |
| Maryknoll | Apr 12 | Oct 31 | 202 d | 7a |
| Maryland | May 17 | Oct 3 | 139 d | 5b |
| Masonville | May 12 | Oct 9 | 150 d | 5b |
| Maspeth | Mar 26 | Nov 25 | 244 d | 7b |
| Massapequa | Apr 3 | Nov 11 | 222 d | 7b |
| Massapequa Park | Apr 3 | Nov 11 | 222 d | 7b |
| Massena | May 8 | Oct 1 | 146 d | 4b |
| Mastic | Apr 18 | Oct 28 | 193 d | 7a |
| Mastic Beach | Apr 18 | Oct 28 | 193 d | 7a |
| Mattituck | Apr 19 | Nov 1 | 196 d | 7a |
| Maybrook | May 1 | Oct 11 | 163 d | 6b |
| Mayfield | May 11 | Oct 3 | 145 d | 5a |
| Mayville | Apr 21 | Nov 5 | 198 d | 6a |
| Mc Connellsville | May 12 | Oct 5 | 146 d | 5b |
| Mc Donough | May 13 | Oct 4 | 144 d | 5b |
| Mc Graw | May 12 | Oct 5 | 146 d | 5b |
| Mc Lean | May 7 | Oct 8 | 154 d | 5b |
| Mechanicville | May 2 | Oct 7 | 158 d | 6a |
| Mecklenburg | May 10 | Oct 8 | 151 d | 6a |
| Medford | Apr 18 | Oct 28 | 193 d | 7a |
| Medina | May 1 | Oct 20 | 172 d | 6b |
| Medusa | May 3 | Oct 12 | 162 d | 5b |
| Mellenville | Apr 25 | Oct 18 | 176 d | 6a |
| Melrose | Apr 19 | Oct 26 | 190 d | 6a |
| Melville | Apr 6 | Nov 6 | 214 d | 7b |
| Memphis | May 2 | Oct 18 | 169 d | 6a |
| Mendon | May 2 | Oct 17 | 168 d | 6b |
| Meridale | May 17 | Oct 3 | 139 d | 5a |
| Meridian | Apr 27 | Oct 24 | 180 d | 6a |
| Merrick | Apr 3 | Nov 11 | 222 d | 7b |
| Mexico | May 10 | Oct 14 | 157 d | 6a |
| Middle Falls | May 6 | Oct 6 | 153 d | 5b |
| Middle Granville | Apr 30 | Oct 12 | 165 d | 5a |
| Middle Grove | May 2 | Oct 7 | 158 d | 5a |
| Middle Island | Apr 21 | Oct 24 | 186 d | 7a |
| Middle Village | Mar 26 | Nov 25 | 244 d | 7b |
| Middleburgh | May 2 | Oct 13 | 164 d | 5b |
| Middleport | Apr 26 | Oct 26 | 183 d | 6b |
| Middlesex | Apr 29 | Oct 22 | 176 d | 6a |
| Middletown | Apr 21 | Oct 22 | 184 d | 6b |
| Middleville | May 5 | Oct 4 | 152 d | 5a |
| Milford | May 7 | Oct 7 | 153 d | 5b |
| Mill Neck | Apr 9 | Nov 10 | 215 d | 7b |
| Millbrook | May 4 | Oct 7 | 156 d | 6a |
| Miller Place | Apr 4 | Nov 7 | 217 d | 7b |
| Millerton | May 11 | Oct 4 | 146 d | 6a |
| Millport | May 9 | Oct 9 | 153 d | 6a |
| Millwood | Apr 25 | Oct 19 | 177 d | 7a |
| Milton | Apr 30 | Oct 14 | 167 d | 6b |
| Mineola | Apr 2 | Nov 12 | 224 d | 7b |
| Minerva | May 23 | Sep 27 | 127 d | 4b |
| Minetto | Apr 22 | Oct 29 | 190 d | 6a |
| Mineville | Apr 30 | Oct 17 | 170 d | 5a |
| Minoa | Apr 29 | Oct 19 | 173 d | 6a |
| Model City | Apr 29 | Oct 28 | 182 d | 6b |
| Modena | Apr 29 | Oct 11 | 165 d | 6b |
| Mohawk | May 5 | Oct 4 | 152 d | 5b |
| Mohegan Lake | Apr 30 | Oct 17 | 170 d | 6b |
| Moira | May 10 | Oct 5 | 148 d | 4b |
| Mongaup Valley | May 9 | Oct 5 | 149 d | 6a |
| Monroe | Apr 10 | Nov 1 | 205 d | 6b |
| Monsey | Apr 19 | Oct 23 | 187 d | 7a |
| Montauk | Apr 7 | Nov 15 | 222 d | 7b |
| Montezuma | May 2 | Oct 18 | 169 d | 6a |
| Montgomery | May 1 | Oct 11 | 163 d | 6b |
| Monticello | May 7 | Oct 7 | 153 d | 6a |
| Montour Falls | May 10 | Oct 8 | 151 d | 6a |
| Montrose | Apr 25 | Oct 19 | 177 d | 7a |
| Mooers | Apr 30 | Oct 12 | 165 d | 5a |
| Mooers Forks | May 10 | Oct 2 | 145 d | 4b |
| Moravia | May 1 | Oct 21 | 173 d | 5b |
| Moriah | Apr 30 | Oct 17 | 170 d | 4b |
| Moriah Center | Apr 30 | Oct 17 | 170 d | 4b |
| Moriches | Apr 18 | Oct 28 | 193 d | 7a |
| Morris | May 17 | Oct 3 | 139 d | 5b |
| Morrisonville | May 6 | Oct 5 | 152 d | 5a |
| Morristown | Apr 29 | Oct 10 | 164 d | 5a |
| Morrisville | May 6 | Oct 9 | 156 d | 5b |
| Morton | Apr 24 | Oct 30 | 189 d | 6b |
| Mottville | May 2 | Oct 18 | 169 d | 6a |
| Mount Kisco | Apr 25 | Oct 19 | 177 d | 7a |
| Mount Marion | May 9 | Oct 4 | 148 d | 6a |
| Mount Morris | Apr 30 | Oct 17 | 170 d | 6a |
| Mount Sinai | Apr 4 | Nov 7 | 217 d | 7b |
| Mount Tremper | May 6 | Oct 7 | 154 d | 6a |
| Mount Upton | May 13 | Oct 4 | 144 d | 5b |
| Mount Vernon | Apr 1 | Nov 16 | 229 d | 7b |
| Mount Vision | May 17 | Oct 3 | 139 d | 5b |
| Mountain Dale | May 7 | Oct 7 | 153 d | 6a |
| Mountainville | Apr 10 | Nov 1 | 205 d | 6b |
| Mumford | May 3 | Oct 15 | 165 d | 6a |
| Munnsville | May 6 | Oct 9 | 156 d | 5b |