Frost dates · Tennessee
Tennessee frost dates, county by county.
Last spring frost and first fall frost probability data for all 95 counties in Tennessee, 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 Tennessee
31 days separate the earliest and latest counties.
The median last spring frost in Sequatchie County is March 12 — 31 days earlier than Johnson County at April 12. Statewide averages aren't useful planting tools; pick your county below for the data that actually applies to your fields.
By geography
Tennessee 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
95 counties · click any county for full frost data