Frost dates in Boswell, OK
The average last spring frost in Boswell is around April 4 and the first fall frost is around October 31. That gives Boswell an average growing season of about 210 days.
Last spring frost
| Early (10% chance after) | March 5 |
|---|---|
| Average (50%) | April 4 |
| Late (90%) | April 18 |
First fall frost
| Early (10%) | October 16 |
|---|---|
| Average (50%) | October 31 |
| Late (90% chance before) | November 14 |