Frost dates in Port St. Lucie, FL

The average last spring frost in Port St. Lucie is around February 1 and the first fall frost is around December 17. That gives Port St. Lucie an average growing season of about 320 days.

Last spring frost

Early (10% chance after)January 12
Average (50%)February 1
Late (90%)March 7

First fall frost

Early (10%)November 30
Average (50%)December 17
Late (90% chance before)December 24

See the Port St. Lucie planting calendar →