Frost dates in Andover, IA

The average last spring frost in Andover is around April 15 and the first fall frost is around October 22. That gives Andover an average growing season of about 190 days.

Last spring frost

Early (10% chance after)April 4
Average (50%)April 15
Late (90%)April 29

First fall frost

Early (10%)October 6
Average (50%)October 22
Late (90% chance before)November 5

See the Andover planting calendar →