Frost dates in Astoria, OR
The average last spring frost in Astoria is around April 8 and the first fall frost is around November 8. That gives Astoria an average growing season of about 214 days.
Last spring frost
| Early (10% chance after) | March 16 |
|---|---|
| Average (50%) | April 8 |
| Late (90%) | April 27 |
First fall frost
| Early (10%) | October 26 |
|---|---|
| Average (50%) | November 8 |
| Late (90% chance before) | November 29 |