Frost dates in Forgan, OK
The average last spring frost in Forgan is around April 17 and the first fall frost is around October 19. That gives Forgan an average growing season of about 185 days.
Last spring frost
| Early (10% chance after) | April 6 |
|---|---|
| Average (50%) | April 17 |
| Late (90%) | May 8 |
First fall frost
| Early (10%) | September 30 |
|---|---|
| Average (50%) | October 19 |
| Late (90% chance before) | November 2 |