Frost dates in Dexter, MN

The average last spring frost in Dexter is around May 7 and the first fall frost is around September 30. That gives Dexter an average growing season of about 146 days.

Last spring frost

Early (10% chance after)April 23
Average (50%)May 7
Late (90%)May 22

First fall frost

Early (10%)September 18
Average (50%)September 30
Late (90% chance before)October 16

See the Dexter planting calendar →