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 geography
New York counties on the map.
Each polygon is a county. Click for full frost-date detail. Color shows last-spring-frost timing — sage = earliest, amber = latest.
MapList
Last spring frostEarliestMedianLatest
62 counties · click any county for full frost data