Frost dates in Delaware, OH

The average last spring frost in Delaware is around April 27 and the first fall frost is around October 15. That gives Delaware an average growing season of about 171 days.

Last spring frost

Early (10% chance after)April 13
Average (50%)April 27
Late (90%)May 13

First fall frost

Early (10%)September 25
Average (50%)October 15
Late (90% chance before)November 1

See the Delaware planting calendar →