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 |