Frost dates in Coupeville, WA
The average last spring frost in Coupeville is around April 4 and the first fall frost is around November 3. That gives Coupeville an average growing season of about 213 days.
Last spring frost
| Early (10% chance after) | March 13 |
|---|---|
| Average (50%) | April 4 |
| Late (90%) | April 27 |
First fall frost
| Early (10%) | October 16 |
|---|---|
| Average (50%) | November 3 |
| Late (90% chance before) | November 26 |