Frost dates in Lennon, MI

The average last spring frost in Lennon is around May 2 and the first fall frost is around October 17. That gives Lennon an average growing season of about 168 days.

Last spring frost

Early (10% chance after)April 22
Average (50%)May 2
Late (90%)May 17

First fall frost

Early (10%)October 5
Average (50%)October 17
Late (90% chance before)October 26

See the Lennon planting calendar →