Frost dates in Middletown, DE

The average last spring frost in Middletown is around April 17 and the first fall frost is around October 21. That gives Middletown an average growing season of about 187 days.

Last spring frost

Early (10% chance after)April 3
Average (50%)April 17
Late (90%)May 3

First fall frost

Early (10%)October 7
Average (50%)October 21
Late (90% chance before)November 6

See the Middletown planting calendar →