Frost dates in Red Oak, IA

The average last spring frost in Red Oak is around April 28 and the first fall frost is around October 7. That gives Red Oak an average growing season of about 162 days.

Last spring frost

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

First fall frost

Early (10%)September 20
Average (50%)October 7
Late (90% chance before)October 23

See the Red Oak planting calendar →