Frost dates in Kenai, AK

The average last spring frost in Kenai is around May 28 and the first fall frost is around September 5. That gives Kenai an average growing season of about 100 days.

Last spring frost

Early (10% chance after)May 10
Average (50%)May 28
Late (90%)July 2

First fall frost

Early (10%)August 18
Average (50%)September 5
Late (90% chance before)September 27

See the Kenai planting calendar →