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 frost timing
Counties sorted by last spring frost.
Latest at top, earliest at bottom. In most states this matches the north-to-south gradient.
- Claiborne ParishSpring Mar 14·Fall Nov 16247-day season
- Red River ParishSpring Mar 7·Fall Nov 19257-day season
- Sabine ParishSpring Mar 6·Fall Nov 24263-day season
- Bienville ParishSpring Mar 4·Fall Nov 23264-day season
- Morehouse ParishSpring Mar 2·Fall Nov 26269-day season
- Union ParishSpring Mar 2·Fall Nov 29272-day season
- LaSalle ParishSpring Mar 1·Fall Nov 25269-day season
- Webster ParishSpring Mar 1·Fall Nov 27271-day season
- Bossier ParishSpring Feb 28·Fall Nov 29274-day season
- Vernon ParishSpring Feb 28·Fall Nov 23268-day season
- Winn ParishSpring Feb 28·Fall Nov 23268-day season
- East Feliciana ParishSpring Feb 27·Fall Dec 1277-day season
- Tensas ParishSpring Feb 27·Fall Nov 22268-day season
- Jackson ParishSpring Feb 24·Fall Dec 1280-day season
- Lincoln ParishSpring Feb 24·Fall Dec 1280-day season
- Franklin ParishSpring Feb 23·Fall Nov 27277-day season
- Ouachita ParishSpring Feb 23·Fall Nov 29279-day season
- Catahoula ParishSpring Feb 22·Fall Dec 5286-day season
- Concordia ParishSpring Feb 22·Fall Dec 5286-day season
- De Soto ParishSpring Feb 22·Fall Dec 1282-day season
- East Carroll ParishSpring Feb 21·Fall Dec 7289-day season
- Livingston ParishSpring Feb 21·Fall Dec 2284-day season
- Tangipahoa ParishSpring Feb 21·Fall Dec 2284-day season
- West Carroll ParishSpring Feb 21·Fall Dec 7289-day season
- Caldwell ParishSpring Feb 20·Fall Dec 4287-day season
- St. Helena ParishSpring Feb 20·Fall Dec 2285-day season
- Rapides ParishSpring Feb 16·Fall Dec 7294-day season
- St. Tammany ParishSpring Feb 14·Fall Dec 6295-day season
- Madison ParishSpring Feb 13·Fall Dec 10300-day season
- Allen ParishSpring Feb 12·Fall Dec 11302-day season
- Beauregard ParishSpring Feb 12·Fall Dec 7298-day season
- Caddo ParishSpring Feb 11·Fall Dec 10302-day season
- Grant ParishSpring Feb 11·Fall Dec 14306-day season
- Washington ParishSpring Feb 11·Fall Dec 12304-day season
- Richland ParishSpring Feb 9·Fall Dec 11305-day season
- Iberville ParishSpring Feb 8·Fall Dec 9304-day season
- Natchitoches ParishSpring Feb 8·Fall Dec 21316-day season
- West Baton Rouge ParishSpring Feb 8·Fall Dec 9304-day season
- Avoyelles ParishSpring Feb 7·Fall Dec 12308-day season
- West Feliciana ParishSpring Feb 7·Fall Dec 10306-day season
- East Baton Rouge ParishSpring Feb 6·Fall Dec 11308-day season
- St. Landry ParishSpring Feb 6·Fall Dec 8305-day season
- Evangeline ParishSpring Feb 5·Fall Dec 17315-day season
- Lafayette ParishSpring Feb 5·Fall Dec 14312-day season
- St. Bernard ParishSpring Feb 2·Fall Dec 25326-day season
- Ascension ParishSpring Feb 1·Fall Dec 28330-day season
- Assumption ParishSpring Feb 1·Fall Dec 28330-day season
- Acadia ParishSpring Jan 31·Fall Dec 26329-day season
- Jefferson Davis ParishSpring Jan 31·Fall Dec 28331-day season
- Pointe Coupee ParishSpring Jan 31·Fall Dec 29332-day season
- St. Martin ParishSpring Jan 29·Fall Dec 24329-day season
- Vermilion ParishSpring Jan 29·Fall Dec 25330-day season
- Lafourche ParishSpring Jan 28·Fall Jan 3340-day season
- St. James ParishSpring Jan 28·Fall Jan 1338-day season
- St. John the Baptist ParishSpring Jan 28·Fall Jan 1338-day season
- Calcasieu ParishSpring Jan 27·Fall Jan 3341-day season
- Terrebonne ParishSpring Jan 26·Fall Jan 2341-day season
- Jefferson ParishSpring Jan 23·Fall Jan 7349-day season
- Cameron ParishSpring Jan 22·Fall Jan 3346-day season
- Iberia ParishSpring Jan 21·Fall Jan 6350-day season
- St. Mary ParishSpring Jan 21·Fall Jan 6350-day season
- St. Charles ParishSpring Jan 20·Fall Jan 7352-day season
- Orleans ParishSpring Jan 18·Fall Jan 11358-day season
- Plaquemines ParishSpring Jan 17·Fall Jan 9357-day season
Alphabetical
All Louisiana counties — A to Z.
- Acadia Parish
- Allen Parish
- Ascension Parish
- Assumption Parish
- Avoyelles Parish
- Beauregard Parish
- Bienville Parish
- Bossier Parish
- Caddo Parish
- Calcasieu Parish
- Caldwell Parish
- Cameron Parish
- Catahoula Parish
- Claiborne Parish
- Concordia Parish
- De Soto Parish
- East Baton Rouge Parish
- East Carroll Parish
- East Feliciana Parish
- Evangeline Parish
- Franklin Parish
- Grant Parish
- Iberia Parish
- Iberville Parish
- Jackson Parish
- Jefferson Davis Parish
- Jefferson Parish
- Lafayette Parish
- Lafourche Parish
- LaSalle Parish
- Lincoln Parish
- Livingston Parish
- Madison Parish
- Morehouse Parish
- Natchitoches Parish
- Orleans Parish
- Ouachita Parish
- Plaquemines Parish
- Pointe Coupee Parish
- Rapides Parish
- Red River Parish
- Richland Parish
- Sabine Parish
- St. Bernard Parish
- St. Charles Parish
- St. Helena Parish
- St. James Parish
- St. John the Baptist Parish
- St. Landry Parish
- St. Martin Parish
- St. Mary Parish
- St. Tammany Parish
- Tangipahoa Parish
- Tensas Parish
- Terrebonne Parish
- Union Parish
- Vermilion Parish
- Vernon Parish
- Washington Parish
- Webster Parish
- West Baton Rouge Parish
- West Carroll Parish
- West Feliciana Parish
- Winn Parish