Frost dates in Fort Yukon, AK

The average last spring frost in Fort Yukon is around May 18 and the first fall frost is around September 2. That gives Fort Yukon an average growing season of about 107 days.

Last spring frost

Early (10% chance after)May 11
Average (50%)May 18
Late (90%)June 2

First fall frost

Early (10%)August 20
Average (50%)September 2
Late (90% chance before)September 14

See the Fort Yukon planting calendar →