Frost dates in Butterfield, MN

The average last spring frost in Butterfield is around April 30 and the first fall frost is around October 5. That gives Butterfield an average growing season of about 158 days.

Last spring frost

Early (10% chance after)April 15
Average (50%)April 30
Late (90%)May 12

First fall frost

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

See the Butterfield planting calendar →