Frost dates in St. Lawrence County, New York
The average last spring frost in St. Lawrence County falls Apr 29 to May 18 and the average first fall frost Sep 26 to Oct 10, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 4a to 5a. Places: Akwesasne, Brasher Falls, Canton, Colton, Cranberry Lake, DeKalb Junction. Pick a ZIP for 10% and 90% odds, soil temperature and the 7-day freeze forecast.
| ZIP | Place | Last spring frost | First fall frost | Zone |
|---|---|---|---|---|
| 12922 | May 18 | Sep 28 | 4a | |
| 12927 | Cranberry Lake | May 18 | Sep 28 | 4a |
| 12965 | May 10 | Oct 5 | 4b | |
| 12967 | May 10 | Oct 5 | 4b | |
| 12973 | May 16 | Sep 28 | 4a | |
| 13613 | Brasher Falls | May 10 | Oct 5 | 4b |
| 13614 | May 14 | Sep 26 | 5a | |
| 13617 | Canton | May 9 | Sep 30 | 4b |
| 13621 | May 8 | Oct 1 | 4b | |
| 13623 | May 14 | Sep 26 | 5a | |
| 13625 | Colton | May 5 | Oct 8 | 4b |
| 13630 | DeKalb Junction | May 9 | Sep 30 | 4b |
| 13633 | May 14 | Sep 26 | 4b | |
| 13635 | Edwards | May 14 | Sep 26 | 4b |
| 13639 | May 18 | Sep 28 | 4b | |
| 13642 | Hailesboro | May 14 | Sep 26 | 4b |
| 13645 | Hailesboro | May 14 | Sep 26 | 4b |
| 13646 | Hammond | May 14 | Sep 26 | 5a |
| 13647 | Hannawa Falls | May 9 | Sep 30 | 4b |
| 13649 | Akwesasne | May 8 | Oct 1 | 5a |
| 13652 | Hermon | May 9 | Sep 30 | 4b |
| 13654 | Heuvelton | Apr 29 | Oct 10 | 5a |
| 13658 | Apr 29 | Oct 10 | 4b | |
| 13660 | Madrid | May 9 | Sep 30 | 4b |
| 13662 | Akwesasne | May 8 | Oct 1 | 4b |
| 13664 | Morristown | Apr 29 | Oct 10 | 5a |
| 13666 | May 18 | Sep 28 | 4a | |
| 13667 | Norfolk | May 8 | Oct 1 | 4b |
| 13668 | Norwood | May 9 | Sep 30 | 4b |
| 13669 | Ogdensburg | Apr 29 | Oct 10 | 5a |
| 13670 | May 18 | Sep 28 | 4a | |
| 13672 | May 16 | Sep 28 | 4a | |
| 13676 | Potsdam | May 5 | Oct 8 | 4b |
| 13678 | May 8 | Oct 1 | 4b | |
| 13680 | Rensselaer Falls | May 9 | Sep 30 | 4b |
| 13681 | Richville | May 14 | Sep 26 | 4b |
| 13683 | Akwesasne | May 8 | Oct 1 | 5a |
| 13684 | May 18 | Sep 28 | 4b | |
| 13687 | May 9 | Sep 30 | 4a | |
| 13690 | Star Lake | May 18 | Sep 28 | 4a |
| 13694 | Waddington | Apr 29 | Oct 10 | 4b |
| 13695 | May 18 | Sep 28 | 4a | |
| 13696 | May 10 | Oct 5 | 4b | |
| 13697 | Winthrop | May 10 | Oct 5 | 4b |
| 13699 | Potsdam | May 9 | Sep 30 | 4b |
Nearby counties
Franklin County Jefferson County Lewis County Clinton County Hamilton County Essex County
All New York counties · Download New York frost dates (CSV)
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