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

See the Coupeville planting calendar →