Frost dates in Klawock, AK

The average last spring frost in Klawock is around May 3 and the first fall frost is around October 19. That gives Klawock an average growing season of about 169 days.

Last spring frost

Early (10% chance after)April 15
Average (50%)May 3
Late (90%)May 15

First fall frost

Early (10%)October 2
Average (50%)October 19
Late (90% chance before)November 2

See the Klawock planting calendar →