Frost dates in Glen St. Mary, FL

The average last spring frost in Glen St. Mary is around March 10 and the first fall frost is around November 22. That gives Glen St. Mary an average growing season of about 257 days.

Last spring frost

Early (10% chance after)February 14
Average (50%)March 10
Late (90%)April 6

First fall frost

Early (10%)November 4
Average (50%)November 22
Late (90% chance before)December 5

See the Glen St. Mary planting calendar →