Frost dates in St. Tammany Parish, Louisiana

Bald cypress trees standing in open water in the Atchafalaya Basin, Louisiana — Photo: scott1346 from Mechanicsville, MD, USA, CC BY 2.0, via Wikimedia Commons

The average last spring frost in St. Tammany Parish falls Feb 24 to Mar 12 and the average first fall frost Nov 18 to Dec 1, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 9a. Places: Abita Springs, Covington, Folsom, Lacombe, Madisonville, Mandeville. Pick a ZIP for 10% and 90% odds, soil temperature and the 7-day freeze forecast.

ZIP	Place	Last spring frost	First fall frost	Zone
70420	Abita Springs	Mar 12	Nov 18	9a
70431		Mar 12	Nov 18	9a
70433	Covington	Mar 12	Nov 18	9a
70435		Mar 12	Nov 18	9a
70437	Folsom	Mar 12	Nov 18	9a
70445	Lacombe	Mar 3	Nov 21	9a
70447	Madisonville	Mar 12	Nov 18	9a
70448	Mandeville	Mar 12	Nov 18	9a
70452	Pearl River	Mar 3	Nov 21	9a
70457		Mar 12	Nov 18	9a
70458	Slidell	Feb 24	Dec 1	9a
70460	Slidell	Mar 3	Nov 21	9a
70461		Feb 24	Dec 1	9a
70463	Sun	Mar 2	Nov 23	9a
70464		Mar 9	Nov 18	9a
70471	Mandeville	Mar 12	Nov 18	9a

Nearby counties

Washington Parish Tangipahoa Parish Orleans Parish St. Bernard Parish Jefferson Parish St. Charles Parish

All Louisiana counties · Download Louisiana frost dates (CSV)

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