Frost dates in St. George, AK

The average last spring frost in St. George is around June 2 and the first fall frost is around October 1. That gives St. George an average growing season of about 121 days.

Last spring frost

Early (10% chance after)May 14
Average (50%)June 2
Late (90%)July 1

First fall frost

Early (10%)September 13
Average (50%)October 1
Late (90% chance before)October 22

See the St. George planting calendar →