Frost dates in Salt Lake City, UT

The average last spring frost in Salt Lake City is around April 20 and the first fall frost is around October 22. That gives Salt Lake City an average growing season of about 185 days.

Last spring frost

Early (10% chance after)April 5
Average (50%)April 20
Late (90%)May 11

First fall frost

Early (10%)October 1
Average (50%)October 22
Late (90% chance before)November 6

See the Salt Lake City planting calendar →