Frost dates in Whittier, AK

The average last spring frost in Whittier is around April 28 and the first fall frost is around October 11. That gives Whittier an average growing season of about 166 days.

Last spring frost

Early (10% chance after)April 8
Average (50%)April 28
Late (90%)May 25

First fall frost

Early (10%)September 23
Average (50%)October 11
Late (90% chance before)October 29

See the Whittier planting calendar →