Frost dates in Alva, OK
The average last spring frost in Alva is around April 10 and the first fall frost is around October 27. That gives Alva an average growing season of about 200 days.
Last spring frost
| Early (10% chance after) | March 25 |
|---|---|
| Average (50%) | April 10 |
| Late (90%) | April 28 |
First fall frost
| Early (10%) | October 10 |
|---|---|
| Average (50%) | October 27 |
| Late (90% chance before) | November 11 |