New York frost dates: N
| City | Last frost | First frost | Season | Zone |
|---|---|---|---|---|
| Nanuet | Apr 20 | Oct 26 | 189 d | 7a |
| Napanoch | Apr 21 | Oct 27 | 189 d | 6a |
| Naples | May 10 | Oct 4 | 147 d | 6a |
| Narrowsburg | May 3 | Oct 9 | 159 d | 6a |
| Nassau | Apr 27 | Oct 14 | 170 d | 6a |
| Natural Bridge | May 8 | Oct 1 | 146 d | 4b |
| Nedrow | Apr 29 | Oct 19 | 173 d | 6a |
| Nelliston | May 6 | Oct 6 | 153 d | 5b |
| Nesconset | Apr 10 | Nov 2 | 206 d | 7b |
| Neversink | May 9 | Oct 5 | 149 d | 6a |
| New Baltimore | Apr 27 | Oct 14 | 170 d | 6a |
| New Berlin | May 13 | Oct 4 | 144 d | 5b |
| New City | Apr 20 | Oct 26 | 189 d | 7a |
| New Hampton | Apr 21 | Oct 22 | 184 d | 6b |
| New Hartford | May 1 | Oct 13 | 165 d | 5b |
| New Haven | May 2 | Oct 16 | 167 d | 6a |
| New Hyde Park | Apr 2 | Nov 12 | 224 d | 7b |
| New Kingston | May 19 | Oct 1 | 135 d | 5b |
| New Lebanon | May 5 | Oct 5 | 153 d | 5b |
| New Lisbon | May 17 | Oct 3 | 139 d | 5b |
| New Milford | May 1 | Oct 12 | 164 d | 6b |
| New Paltz | Apr 21 | Oct 27 | 189 d | 6b |
| New Rochelle | Apr 20 | Oct 26 | 189 d | 7b |
| New Russia | Apr 30 | Oct 17 | 170 d | 4b |
| New Suffolk | Apr 19 | Nov 1 | 196 d | 7a |
| New Windsor | Apr 10 | Nov 1 | 205 d | 6b |
| New Woodstock | May 6 | Oct 9 | 156 d | 5b |
| New York | Mar 30 | Nov 20 | 235 d | 7b |
| New York Mills | May 1 | Oct 13 | 165 d | 5b |
| Newark | Apr 30 | Oct 21 | 174 d | 6b |
| Newark Valley | May 2 | Oct 11 | 162 d | 6a |
| Newburgh | Apr 29 | Oct 11 | 165 d | 6b |
| Newcomb | May 21 | Sep 26 | 128 d | 4b |
| Newfane | Apr 26 | Oct 26 | 183 d | 6b |
| Newfield | May 11 | Oct 3 | 145 d | 6a |
| Newport | May 5 | Oct 4 | 152 d | 5a |
| Newton Falls | May 18 | Sep 28 | 133 d | 4a |
| Newtonville | Apr 27 | Oct 15 | 171 d | 6a |
| Niagara Falls | Apr 26 | Oct 25 | 182 d | 6b |
| Niagara University | Apr 26 | Oct 25 | 182 d | 6b |
| Nichols | May 6 | Oct 10 | 157 d | 6a |
| Nicholville | May 10 | Oct 5 | 148 d | 4b |
| Nineveh | May 12 | Oct 9 | 150 d | 5b |
| Niobe | May 22 | Sep 30 | 131 d | 6a |
| Niverville | Apr 27 | Oct 14 | 170 d | 6a |
| Norfolk | May 8 | Oct 1 | 146 d | 4b |
| North Babylon | Apr 6 | Nov 6 | 214 d | 7b |
| North Bangor | May 6 | Oct 4 | 151 d | 4b |
| North Bay | May 12 | Oct 5 | 146 d | 5b |
| North Blenheim | May 18 | Oct 2 | 137 d | 5b |
| North Boston | May 4 | Oct 17 | 166 d | 6a |
| North Branch | May 12 | Oct 7 | 148 d | 5b |
| North Brookfield | May 13 | Oct 4 | 144 d | 5b |
| North Chatham | Apr 27 | Oct 14 | 170 d | 6a |
| North Chili | Apr 24 | Oct 25 | 184 d | 6b |
| North Collins | May 3 | Oct 20 | 170 d | 6a |
| North Creek | May 23 | Sep 27 | 127 d | 4b |
| North Evans | May 4 | Oct 17 | 166 d | 6b |
| North Granville | Apr 30 | Oct 12 | 165 d | 5a |
| North Greece | Apr 24 | Oct 25 | 184 d | 6b |
| North Hoosick | May 6 | Oct 6 | 153 d | 5b |
| North Hudson | May 5 | Oct 3 | 151 d | 4b |
| North Java | May 7 | Oct 10 | 156 d | 5b |
| North Lawrence | May 10 | Oct 5 | 148 d | 4b |
| North Norwich | May 13 | Oct 4 | 144 d | 5b |
| North Pitcher | May 6 | Oct 9 | 156 d | 5b |
| North River | May 23 | Sep 27 | 127 d | 4b |
| North Rose | May 6 | Oct 10 | 157 d | 6b |
| North Salem | May 1 | Oct 14 | 166 d | 6b |
| North Tonawanda | May 6 | Oct 15 | 162 d | 6b |
| Northport | Apr 9 | Nov 10 | 215 d | 7b |
| Northville | May 11 | Oct 3 | 145 d | 5a |
| Norwich | May 13 | Oct 4 | 144 d | 5b |
| Norwood | May 5 | Oct 8 | 156 d | 4b |
| Nunda | Apr 30 | Oct 17 | 170 d | 6a |
| Nyack | Apr 20 | Oct 26 | 189 d | 7a |