Frost dates in Grand Isle, LA
The average last spring frost in Grand Isle is around February 4 and the first fall frost is around December 8. That gives Grand Isle an average growing season of about 308 days.
Last spring frost
| Early (10% chance after) | January 15 |
|---|---|
| Average (50%) | February 4 |
| Late (90%) | March 1 |
First fall frost
| Early (10%) | November 20 |
|---|---|
| Average (50%) | December 8 |
| Late (90% chance before) | December 17 |