Frost dates in Chelan, WA

The average last spring frost in Chelan is around April 12 and the first fall frost is around October 25. That gives Chelan an average growing season of about 196 days.

Last spring frost

Early (10% chance after)March 25
Average (50%)April 12
Late (90%)April 30

First fall frost

Early (10%)October 11
Average (50%)October 25
Late (90% chance before)November 8

See the Chelan planting calendar →