Frost dates in Tanana, AK

The average last spring frost in Tanana is around May 30 and the first fall frost is around August 23. That gives Tanana an average growing season of about 85 days.

Last spring frost

Early (10% chance after)May 15
Average (50%)May 30
Late (90%)July 20

First fall frost

Early (10%)August 9
Average (50%)August 23
Late (90% chance before)September 8

See the Tanana planting calendar →