Frost dates in Harper Woods, MI

The average last spring frost in Harper Woods is around April 22 and the first fall frost is around October 25. That gives Harper Woods an average growing season of about 186 days.

Last spring frost

Early (10% chance after)April 10
Average (50%)April 22
Late (90%)May 9

First fall frost

Early (10%)October 12
Average (50%)October 25
Late (90% chance before)November 8

See the Harper Woods planting calendar →