Frost dates in Grandfield, OK
The average last spring frost in Grandfield is around March 30 and the first fall frost is around November 5. That gives Grandfield an average growing season of about 220 days.
Last spring frost
| Early (10% chance after) | March 6 |
|---|---|
| Average (50%) | March 30 |
| Late (90%) | April 15 |
First fall frost
| Early (10%) | October 28 |
|---|---|
| Average (50%) | November 5 |
| Late (90% chance before) | November 20 |