Frost dates in Mountlake Terrace, WA

The average last spring frost in Mountlake Terrace is around March 8 and the first fall frost is around November 27. That gives Mountlake Terrace an average growing season of about 264 days.

Last spring frost

Early (10% chance after)February 12
Average (50%)March 8
Late (90%)March 27

First fall frost

Early (10%)November 1
Average (50%)November 27
Late (90% chance before)December 18

See the Mountlake Terrace planting calendar →