Frost dates in Altamont, UT

The average last spring frost in Altamont is around May 30 and the first fall frost is around September 22. That gives Altamont an average growing season of about 115 days.

Last spring frost

Early (10% chance after)May 13
Average (50%)May 30
Late (90%)June 21

First fall frost

Early (10%)September 4
Average (50%)September 22
Late (90% chance before)October 9

See the Altamont planting calendar →