Frost dates in Lehi, UT

The average last spring frost in Lehi is around May 12 and the first fall frost is around September 30. That gives Lehi an average growing season of about 141 days.

Last spring frost

Early (10% chance after)April 18
Average (50%)May 12
Late (90%)June 6

First fall frost

Early (10%)September 16
Average (50%)September 30
Late (90% chance before)October 19

See the Lehi planting calendar →