Frost dates in Delta Junction, AK

The average last spring frost in Delta Junction is around June 7 and the first fall frost is around August 20. That gives Delta Junction an average growing season of about 74 days.

Last spring frost

Early (10% chance after)May 18
Average (50%)June 7
Late (90%)July 18

First fall frost

Early (10%)August 2
Average (50%)August 20
Late (90% chance before)September 1

See the Delta Junction planting calendar →