Frost dates · Kansas
Kansas frost dates, county by county.
Last spring frost and first fall frost probability data for all 105 counties in Kansas, 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 Kansas
29 days separate the earliest and latest counties.
The median last spring frost in Cherokee County is March 25 — 29 days earlier than Greeley County at April 23. Statewide averages aren't useful planting tools; pick your county below for the data that actually applies to your fields.
By geography
Kansas 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
105 counties · click any county for full frost data