Frost dates in Freeborn, MN

The average last spring frost in Freeborn is around April 28 and the first fall frost is around October 9. That gives Freeborn an average growing season of about 164 days.

Last spring frost

Early (10% chance after)April 9
Average (50%)April 28
Late (90%)May 15

First fall frost

Early (10%)September 21
Average (50%)October 9
Late (90% chance before)November 5

See the Freeborn planting calendar →