Frost dates · Louisiana
Louisiana frost dates, county by county.
Last spring frost and first fall frost probability data for all 64 counties in Louisiana, 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 Louisiana
56 days separate the earliest and latest counties.
The median last spring frost in Plaquemines Parish is January 17 — 56 days earlier than Claiborne Parish at March 14. Statewide averages aren't useful planting tools; pick your county below for the data that actually applies to your fields.
By geography
Louisiana 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
64 counties · click any county for full frost data