Frost dates in St. Marks, FL

The average last spring frost in St. Marks is around March 14 and the first fall frost is around November 18. That gives St. Marks an average growing season of about 249 days.

Last spring frost

Early (10% chance after)February 19
Average (50%)March 14
Late (90%)April 3

First fall frost

Early (10%)October 30
Average (50%)November 18
Late (90% chance before)December 6

See the St. Marks planting calendar →