Frost dates · Kentucky
Kentucky frost dates, county by county.
Last spring frost and first fall frost probability data for all 120 counties in Kentucky, 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 Kentucky
40 days separate the earliest and latest counties.
The median last spring frost in Lyon County is March 15 — 40 days earlier than Carter County at April 24. Statewide averages aren't useful planting tools; pick your county below for the data that actually applies to your fields.
By geography
Kentucky 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
120 counties · click any county for full frost data