Frost dates in Summit, OK
The average last spring frost in Summit is around March 28 and the first fall frost is around November 2. That gives Summit an average growing season of about 219 days.
Last spring frost
| Early (10% chance after) | March 15 |
|---|---|
| Average (50%) | March 28 |
| Late (90%) | April 15 |
First fall frost
| Early (10%) | October 17 |
|---|---|
| Average (50%) | November 2 |
| Late (90% chance before) | November 23 |