Frost dates in Elk River, ID

The average last spring frost in Elk River is around May 30 and the first fall frost is around September 11. That gives Elk River an average growing season of about 104 days.

Last spring frost

Early (10% chance after)May 12
Average (50%)May 30
Late (90%)July 3

First fall frost

Early (10%)August 25
Average (50%)September 11
Late (90% chance before)October 1

See the Elk River planting calendar →