Frost dates in Washington Court House, OH

The average last spring frost in Washington Court House is around April 25 and the first fall frost is around October 18. That gives Washington Court House an average growing season of about 176 days.

Last spring frost

Early (10% chance after)April 11
Average (50%)April 25
Late (90%)May 10

First fall frost

Early (10%)October 2
Average (50%)October 18
Late (90% chance before)November 3

See the Washington Court House planting calendar →