Frost dates in Cohasset, MN

The average last spring frost in Cohasset is around May 24 and the first fall frost is around September 18. That gives Cohasset an average growing season of about 117 days.

Last spring frost

Early (10% chance after)May 7
Average (50%)May 24
Late (90%)June 14

First fall frost

Early (10%)August 30
Average (50%)September 18
Late (90% chance before)October 6

See the Cohasset planting calendar →