Frost dates in Pateros, WA

The average last spring frost in Pateros is around May 9 and the first fall frost is around October 3. That gives Pateros an average growing season of about 147 days.

Last spring frost

Early (10% chance after)April 22
Average (50%)May 9
Late (90%)May 28

First fall frost

Early (10%)September 21
Average (50%)October 3
Late (90% chance before)October 19

See the Pateros planting calendar →