Frost dates in Scappoose, OR
The average last spring frost in Scappoose is around April 14 and the first fall frost is around November 2. That gives Scappoose an average growing season of about 202 days.
Last spring frost
| Early (10% chance after) | March 26 |
|---|---|
| Average (50%) | April 14 |
| Late (90%) | May 7 |
First fall frost
| Early (10%) | October 11 |
|---|---|
| Average (50%) | November 2 |
| Late (90% chance before) | November 16 |