Frost dates in Rockwood, MI

The average last spring frost in Rockwood is around April 28 and the first fall frost is around October 23. That gives Rockwood an average growing season of about 178 days.

Last spring frost

Early (10% chance after)April 14
Average (50%)April 28
Late (90%)May 12

First fall frost

Early (10%)October 9
Average (50%)October 23
Late (90% chance before)November 2

See the Rockwood planting calendar →