New York frost dates: H
| City | Last frost | First frost | Season | Zone |
|---|---|---|---|---|
| Hadley | Apr 30 | Oct 16 | 169 d | 5a |
| Hagaman | May 7 | Oct 7 | 153 d | 5b |
| Hague | Apr 30 | Oct 12 | 165 d | 4b |
| Hailesboro | May 14 | Sep 26 | 135 d | 4b |
| Haines Falls | May 20 | Sep 27 | 130 d | 5b |
| Halcottsville | May 19 | Oct 1 | 135 d | 5b |
| Hall | Apr 30 | Oct 21 | 174 d | 6a |
| Hamburg | May 4 | Oct 17 | 166 d | 6a |
| Hamden | May 19 | Oct 1 | 135 d | 5a |
| Hamilton | May 6 | Oct 9 | 156 d | 5b |
| Hamlin | Apr 24 | Oct 30 | 189 d | 6b |
| Hammond | May 14 | Sep 26 | 135 d | 5a |
| Hammondsport | May 12 | Oct 3 | 144 d | 6a |
| Hampton | Apr 30 | Oct 12 | 165 d | 5a |
| Hampton Bays | May 7 | Oct 14 | 160 d | 7a |
| Hancock | May 12 | Oct 9 | 150 d | 5b |
| Hankins | May 12 | Oct 7 | 148 d | 5b |
| Hannacroix | Apr 27 | Oct 14 | 170 d | 5b |
| Hannawa Falls | May 5 | Oct 8 | 156 d | 4b |
| Hannibal | Apr 27 | Oct 24 | 180 d | 6a |
| Harford | May 13 | Oct 4 | 144 d | 5b |
| Harpersfield | May 18 | Oct 2 | 137 d | 5b |
| Harpursville | May 12 | Oct 9 | 150 d | 5b |
| Harriman | Apr 10 | Nov 1 | 205 d | 6b |
| Harris | May 9 | Oct 5 | 149 d | 6a |
| Harrison | Apr 20 | Oct 26 | 189 d | 7b |
| Harrisville | May 14 | Sep 26 | 135 d | 4b |
| Hartford | May 9 | Sep 30 | 144 d | 5a |
| Hartsdale | Apr 20 | Oct 26 | 189 d | 7a |
| Hartwick | May 7 | Oct 7 | 153 d | 5b |
| Hastings | May 4 | Oct 11 | 160 d | 5b |
| Hastings On Hudson | Apr 20 | Oct 26 | 189 d | 7a |
| Hauppauge | Apr 10 | Nov 2 | 206 d | 7b |
| Haverstraw | Apr 25 | Oct 19 | 177 d | 7a |
| Hawthorne | Apr 12 | Oct 31 | 202 d | 7a |
| Hector | May 10 | Oct 8 | 151 d | 6a |
| Helena | May 8 | Oct 1 | 146 d | 5a |
| Hemlock | May 2 | Oct 18 | 169 d | 6a |
| Hempstead | Apr 2 | Nov 12 | 224 d | 7b |
| Henderson | May 11 | Oct 1 | 143 d | 5b |
| Henderson Harbor | May 11 | Oct 1 | 143 d | 5b |
| Henrietta | Apr 24 | Oct 25 | 184 d | 6b |
| Hensonville | May 20 | Sep 27 | 130 d | 5b |
| Herkimer | May 5 | Oct 4 | 152 d | 5b |
| Hermon | May 9 | Sep 30 | 144 d | 4b |
| Heuvelton | Apr 29 | Oct 10 | 164 d | 5a |
| Hewlett | Apr 2 | Nov 14 | 226 d | 7b |
| Hicksville | Apr 2 | Nov 12 | 224 d | 7b |
| High Falls | Apr 21 | Oct 27 | 189 d | 6b |
| Highland | Apr 21 | Oct 21 | 183 d | 6b |
| Highland Falls | Apr 10 | Nov 1 | 205 d | 7a |
| Highland Lake | May 2 | Oct 12 | 163 d | 6a |
| Highland Mills | Apr 10 | Nov 1 | 205 d | 6b |
| Highmount | May 6 | Oct 7 | 154 d | 5b |
| Hillburn | Apr 19 | Oct 23 | 187 d | 7a |
| Hillsdale | May 4 | Oct 11 | 160 d | 6a |
| Hilton | Apr 24 | Oct 30 | 189 d | 6b |
| Himrod | Apr 30 | Oct 22 | 175 d | 6b |
| Hinckley | May 4 | Oct 13 | 162 d | 5a |
| Hinsdale | May 7 | Oct 11 | 157 d | 5b |
| Hobart | May 18 | Oct 2 | 137 d | 5a |
| Hoffmeister | May 4 | Oct 13 | 162 d | 4b |
| Hogansburg | May 8 | Oct 1 | 146 d | 5a |
| Holbrook | Apr 10 | Nov 2 | 206 d | 7b |
| Holland | May 7 | Oct 10 | 156 d | 5b |
| Holland Patent | May 4 | Oct 13 | 162 d | 5a |
| Holley | Apr 24 | Oct 30 | 189 d | 6b |
| Hollis | Apr 2 | Nov 14 | 226 d | 7b |
| Hollowville | Apr 25 | Oct 18 | 176 d | 6a |
| Holmes | Apr 21 | Oct 25 | 187 d | 6b |
| Holtsville | Apr 10 | Nov 2 | 206 d | 7b |
| Homer | May 12 | Oct 5 | 146 d | 5b |
| Honeoye | May 10 | Oct 4 | 147 d | 6a |
| Honeoye Falls | May 2 | Oct 17 | 168 d | 6a |
| Hoosick | May 11 | Oct 2 | 144 d | 5b |
| Hoosick Falls | May 6 | Oct 6 | 153 d | 5b |
| Hopewell Junction | Apr 21 | Oct 25 | 187 d | 6b |
| Hornell | May 11 | Oct 8 | 150 d | 5b |
| Horseheads | May 9 | Oct 9 | 153 d | 6a |
| Hortonville | May 12 | Oct 7 | 148 d | 6a |
| Houghton | May 21 | Sep 30 | 132 d | 5b |
| Howard Beach | Apr 2 | Nov 14 | 226 d | 7b |
| Howells | Apr 21 | Oct 22 | 184 d | 6b |
| Howes Cave | May 2 | Oct 13 | 164 d | 5b |
| Hubbardsville | May 13 | Oct 4 | 144 d | 5b |
| Hudson | Apr 25 | Oct 18 | 176 d | 6a |
| Hudson Falls | May 9 | Sep 30 | 144 d | 5a |
| Hughsonville | Apr 30 | Oct 14 | 167 d | 6b |
| Huguenot | May 5 | Oct 10 | 158 d | 6b |
| Huletts Landing | Apr 30 | Oct 12 | 165 d | 5a |
| Hume | May 21 | Sep 30 | 132 d | 5b |
| Hunt | May 4 | Oct 16 | 165 d | 6a |
| Hunter | May 20 | Sep 27 | 130 d | 5b |
| Huntington | Apr 9 | Nov 10 | 215 d | 7b |
| Huntington Station | Apr 9 | Nov 10 | 215 d | 7b |
| Hurley | May 14 | Sep 28 | 137 d | 6a |
| Hurleyville | May 9 | Oct 5 | 149 d | 6a |
| Hyde Park | Apr 21 | Oct 21 | 183 d | 6a |