Frost dates in Kiefer, OK
The average last spring frost in Kiefer is around April 5 and the first fall frost is around October 29. That gives Kiefer an average growing season of about 207 days.
Last spring frost
| Early (10% chance after) | March 16 |
|---|---|
| Average (50%) | April 5 |
| Late (90%) | April 18 |
First fall frost
| Early (10%) | October 9 |
|---|---|
| Average (50%) | October 29 |
| Late (90% chance before) | November 22 |