Frost dates in Stilwell, OK
The average last spring frost in Stilwell is around April 11 and the first fall frost is around October 22. That gives Stilwell an average growing season of about 194 days.
Last spring frost
| Early (10% chance after) | March 31 |
|---|---|
| Average (50%) | April 11 |
| Late (90%) | April 23 |
First fall frost
| Early (10%) | October 10 |
|---|---|
| Average (50%) | October 22 |
| Late (90% chance before) | November 7 |