Frost dates in Middletown, MD

The average last spring frost in Middletown is around April 15 and the first fall frost is around October 21. That gives Middletown an average growing season of about 189 days.

Last spring frost

Early (10% chance after)April 1
Average (50%)April 15
Late (90%)April 29

First fall frost

Early (10%)October 6
Average (50%)October 21
Late (90% chance before)November 5

See the Middletown planting calendar →