Frost dates in New Castle, IN

The average last spring frost in New Castle is around April 28 and the first fall frost is around October 12. That gives New Castle an average growing season of about 167 days.

Last spring frost

Early (10% chance after)April 12
Average (50%)April 28
Late (90%)May 11

First fall frost

Early (10%)September 30
Average (50%)October 12
Late (90% chance before)October 26

See the New Castle planting calendar →