Frost dates in North Bonneville, WA

The average last spring frost in North Bonneville is around March 20 and the first fall frost is around November 22. That gives North Bonneville an average growing season of about 247 days.

Last spring frost

Early (10% chance after)February 17
Average (50%)March 20
Late (90%)April 15

First fall frost

Early (10%)October 31
Average (50%)November 22
Late (90% chance before)December 16

See the North Bonneville planting calendar →