Frost dates in Ilwaco, WA
The average last spring frost in Ilwaco is around April 8 and the first fall frost is around October 31. That gives Ilwaco an average growing season of about 206 days.
Last spring frost
| Early (10% chance after) | March 19 |
|---|---|
| Average (50%) | April 8 |
| Late (90%) | April 30 |
First fall frost
| Early (10%) | October 5 |
|---|---|
| Average (50%) | October 31 |
| Late (90% chance before) | November 19 |