Frost dates in Ryan, OK
The average last spring frost in Ryan is around April 2 and the first fall frost is around November 1. That gives Ryan an average growing season of about 213 days.
Last spring frost
| Early (10% chance after) | March 6 |
|---|---|
| Average (50%) | April 2 |
| Late (90%) | April 18 |
First fall frost
| Early (10%) | October 16 |
|---|---|
| Average (50%) | November 1 |
| Late (90% chance before) | November 20 |