Frost dates in Ninnekah, OK
The average last spring frost in Ninnekah is around April 7 and the first fall frost is around October 29. That gives Ninnekah an average growing season of about 205 days.
Last spring frost
| Early (10% chance after) | March 10 |
|---|---|
| Average (50%) | April 7 |
| Late (90%) | April 22 |
First fall frost
| Early (10%) | October 15 |
|---|---|
| Average (50%) | October 29 |
| Late (90% chance before) | November 15 |