Frost dates in Wilmington, OH

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

Last spring frost

Early (10% chance after)April 7
Average (50%)April 17
Late (90%)May 4

First fall frost

Early (10%)October 7
Average (50%)October 21
Late (90% chance before)November 1

See the Wilmington planting calendar →