Frost dates in Wynnewood, OK
The average last spring frost in Wynnewood is around March 30 and the first fall frost is around November 2. That gives Wynnewood an average growing season of about 217 days.
Last spring frost
| Early (10% chance after) | March 6 |
|---|---|
| Average (50%) | March 30 |
| Late (90%) | April 20 |
First fall frost
| Early (10%) | October 24 |
|---|---|
| Average (50%) | November 2 |
| Late (90% chance before) | November 19 |