Frost dates in White Mountain, AK

The average last spring frost in White Mountain is around June 5 and the first fall frost is around August 26. That gives White Mountain an average growing season of about 82 days.

Last spring frost

Early (10% chance after)May 27
Average (50%)June 5
Late (90%)July 27

First fall frost

Early (10%)August 7
Average (50%)August 26
Late (90% chance before)September 22

See the White Mountain planting calendar →