Frost dates · New York
New York frost dates,
county by county.
Last spring frost and first fall frost probability data for all 62 counties in New York, computed from the NOAA 1991–2020 Climate Normals. Every county page surfaces the full probability table at three temperature thresholds plus crop-specific planting guidance.
Variation across New York
63 days separate the earliest and latest counties.
The median last spring frost in New York County is March 19 — 63 days earlier than Franklin County at May 21. Statewide averages aren't useful planting tools; pick your county below for the data that actually applies to your fields.
By frost timing
Counties sorted by last spring frost.
Latest at top, earliest at bottom. In most states this matches the north-to-south gradient.
- Franklin CountySpring May 21·Fall Sep 23125-day season
- Essex CountySpring May 13·Fall Oct 3143-day season
- Hamilton CountySpring May 9·Fall Oct 7151-day season
- Allegany CountySpring May 8·Fall Oct 9154-day season
- Cattaraugus CountySpring May 5·Fall Oct 11159-day season
- Delaware CountySpring May 5·Fall Oct 11159-day season
- Greene CountySpring May 5·Fall Oct 7155-day season
- Herkimer CountySpring May 5·Fall Oct 10158-day season
- Chenango CountySpring May 1·Fall Oct 15167-day season
- Cortland CountySpring May 1·Fall Oct 18170-day season
- Fulton CountySpring May 1·Fall Oct 14166-day season
- Montgomery CountySpring May 1·Fall Oct 14166-day season
- Steuben CountySpring May 1·Fall Oct 16168-day season
- Jefferson CountySpring Apr 30·Fall Oct 11164-day season
- St. Lawrence CountySpring Apr 30·Fall Oct 11164-day season
- Tioga CountySpring Apr 30·Fall Oct 16169-day season
- Tompkins CountySpring Apr 30·Fall Oct 18171-day season
- Schuyler CountySpring Apr 29·Fall Oct 24178-day season
- Lewis CountySpring Apr 28·Fall Oct 15170-day season
- Oswego CountySpring Apr 28·Fall Nov 1187-day season
- Washington CountySpring Apr 28·Fall Oct 9164-day season
- Wyoming CountySpring Apr 28·Fall Oct 27182-day season
- Erie CountySpring Apr 27·Fall Oct 27183-day season
- Schoharie CountySpring Apr 27·Fall Oct 15171-day season
- Sullivan CountySpring Apr 27·Fall Oct 20176-day season
- Clinton CountySpring Apr 26·Fall Oct 22179-day season
- Madison CountySpring Apr 26·Fall Oct 22179-day season
- Oneida CountySpring Apr 26·Fall Oct 27184-day season
- Ulster CountySpring Apr 26·Fall Oct 21178-day season
- Chemung CountySpring Apr 25·Fall Oct 25183-day season
- Otsego CountySpring Apr 25·Fall Oct 21179-day season
- Wayne CountySpring Apr 25·Fall Oct 25183-day season
- Genesee CountySpring Apr 23·Fall Oct 29189-day season
- Schenectady CountySpring Apr 23·Fall Oct 19179-day season
- Broome CountySpring Apr 22·Fall Oct 26187-day season
- Cayuga CountySpring Apr 22·Fall Nov 1193-day season
- Dutchess CountySpring Apr 22·Fall Oct 19180-day season
- Albany CountySpring Apr 21·Fall Oct 25187-day season
- Orleans CountySpring Apr 20·Fall Nov 2196-day season
- Saratoga CountySpring Apr 20·Fall Oct 21184-day season
- Orange CountySpring Apr 19·Fall Oct 24188-day season
- Seneca CountySpring Apr 19·Fall Nov 3198-day season
- Livingston CountySpring Apr 18·Fall Nov 1197-day season
- Niagara CountySpring Apr 18·Fall Nov 7203-day season
- Rensselaer CountySpring Apr 18·Fall Oct 25190-day season
- Warren CountySpring Apr 18·Fall Oct 31196-day season
- Yates CountySpring Apr 18·Fall Nov 3199-day season
- Onondaga CountySpring Apr 16·Fall Nov 2200-day season
- Ontario CountySpring Apr 16·Fall Nov 4202-day season
- Monroe CountySpring Apr 14·Fall Nov 6206-day season
- Chautauqua CountySpring Apr 13·Fall Nov 12213-day season
- Columbia CountySpring Apr 13·Fall Oct 31201-day season
- Putnam CountySpring Apr 13·Fall Oct 28198-day season
- Rockland CountySpring Apr 13·Fall Nov 1202-day season
- Westchester CountySpring Apr 1·Fall Nov 13226-day season
- Suffolk CountySpring Mar 28·Fall Nov 21238-day season
- Bronx CountySpring Mar 23·Fall Nov 30252-day season
- Queens CountySpring Mar 23·Fall Nov 26248-day season
- Richmond CountySpring Mar 23·Fall Nov 22244-day season
- Nassau CountySpring Mar 20·Fall Nov 25250-day season
- Kings CountySpring Mar 19·Fall Dec 1257-day season
- New York CountySpring Mar 19·Fall Dec 1257-day season
Alphabetical
All New York counties — A to Z.
- Albany County
- Allegany County
- Bronx County
- Broome County
- Cattaraugus County
- Cayuga County
- Chautauqua County
- Chemung County
- Chenango County
- Clinton County
- Columbia County
- Cortland County
- Delaware County
- Dutchess County
- Erie County
- Essex County
- Franklin County
- Fulton County
- Genesee County
- Greene County
- Hamilton County
- Herkimer County
- Jefferson County
- Kings County
- Lewis County
- Livingston County
- Madison County
- Monroe County
- Montgomery County
- Nassau County
- New York County
- Niagara County
- Oneida County
- Onondaga County
- Ontario County
- Orange County
- Orleans County
- Oswego County
- Otsego County
- Putnam County
- Queens County
- Rensselaer County
- Richmond County
- Rockland County
- Saratoga County
- Schenectady County
- Schoharie County
- Schuyler County
- Seneca County
- St. Lawrence County
- Steuben County
- Suffolk County
- Sullivan County
- Tioga County
- Tompkins County
- Ulster County
- Warren County
- Washington County
- Wayne County
- Westchester County
- Wyoming County
- Yates County