Frost dates in Harahan, LA
The average last spring frost in Harahan is around February 12 and the first fall frost is around December 9. That gives Harahan an average growing season of about 301 days.
Last spring frost
| Early (10% chance after) | January 16 |
|---|---|
| Average (50%) | February 12 |
| Late (90%) | March 11 |
First fall frost
| Early (10%) | November 16 |
|---|---|
| Average (50%) | December 9 |
| Late (90% chance before) | December 24 |