Frost dates in Dewey, OK
The average last spring frost in Dewey is around April 8 and the first fall frost is around October 25. That gives Dewey an average growing season of about 200 days.
Last spring frost
| Early (10% chance after) | March 24 |
|---|---|
| Average (50%) | April 8 |
| Late (90%) | April 23 |
First fall frost
| Early (10%) | October 8 |
|---|---|
| Average (50%) | October 25 |
| Late (90% chance before) | November 8 |