Frost dates in Westerville, OH

The average last spring frost in Westerville is around April 30 and the first fall frost is around October 12. That gives Westerville an average growing season of about 165 days.

Last spring frost

Early (10% chance after)April 12
Average (50%)April 30
Late (90%)May 17

First fall frost

Early (10%)September 23
Average (50%)October 12
Late (90% chance before)October 28

See the Westerville planting calendar →