Frost dates in Marine on St. Croix, MN

The average last spring frost in Marine on St. Croix is around May 1 and the first fall frost is around October 7. That gives Marine on St. Croix an average growing season of about 159 days.

Last spring frost

Early (10% chance after)April 9
Average (50%)May 1
Late (90%)May 12

First fall frost

Early (10%)September 24
Average (50%)October 7
Late (90% chance before)October 27

See the Marine on St. Croix planting calendar →