Frost dates in Mossyrock, WA

The average last spring frost in Mossyrock is around April 4 and the first fall frost is around November 9. That gives Mossyrock an average growing season of about 219 days.

Last spring frost

Early (10% chance after)March 27
Average (50%)April 4
Late (90%)May 4

First fall frost

Early (10%)October 26
Average (50%)November 9
Late (90% chance before)December 1

See the Mossyrock planting calendar →