Frost dates in Birmingham, IA

The average last spring frost in Birmingham is around April 24 and the first fall frost is around October 11. That gives Birmingham an average growing season of about 170 days.

Last spring frost

Early (10% chance after)April 11
Average (50%)April 24
Late (90%)May 9

First fall frost

Early (10%)September 24
Average (50%)October 11
Late (90% chance before)October 28

See the Birmingham planting calendar →