Frost dates in Bristow, OK
The average last spring frost in Bristow is around April 6 and the first fall frost is around October 29. That gives Bristow an average growing season of about 206 days.
Last spring frost
| Early (10% chance after) | March 22 |
|---|---|
| Average (50%) | April 6 |
| Late (90%) | April 19 |
First fall frost
| Early (10%) | October 12 |
|---|---|
| Average (50%) | October 29 |
| Late (90% chance before) | November 13 |