Frost dates in Foss, OK
The average last spring frost in Foss is around April 4 and the first fall frost is around November 8. That gives Foss an average growing season of about 218 days.
Last spring frost
| Early (10% chance after) | March 15 |
|---|---|
| Average (50%) | April 4 |
| Late (90%) | April 15 |
First fall frost
| Early (10%) | October 24 |
|---|---|
| Average (50%) | November 8 |
| Late (90% chance before) | November 24 |