Frost dates in Concrete, WA
The average last spring frost in Concrete is around April 7 and the first fall frost is around November 9. That gives Concrete an average growing season of about 216 days.
Last spring frost
| Early (10% chance after) | March 15 |
|---|---|
| Average (50%) | April 7 |
| Late (90%) | April 30 |
First fall frost
| Early (10%) | October 17 |
|---|---|
| Average (50%) | November 9 |
| Late (90% chance before) | December 4 |