Frost dates in DuPont, WA

The average last spring frost in DuPont is around March 13 and the first fall frost is around November 21. That gives DuPont an average growing season of about 253 days.

Last spring frost

Early (10% chance after)February 13
Average (50%)March 13
Late (90%)April 5

First fall frost

Early (10%)November 2
Average (50%)November 21
Late (90% chance before)December 15

See the DuPont planting calendar →