Frost dates in Simpson, LA
The average last spring frost in Simpson is around March 6 and the first fall frost is around November 14. That gives Simpson an average growing season of about 253 days.
Last spring frost
| Early (10% chance after) | February 7 |
|---|---|
| Average (50%) | March 6 |
| Late (90%) | March 22 |
First fall frost
| Early (10%) | October 29 |
|---|---|
| Average (50%) | November 14 |
| Late (90% chance before) | November 30 |