Frost dates in Killen, AL

The average last spring frost in Killen is around March 21 and the first fall frost is around November 1. That gives Killen an average growing season of about 225 days.

Last spring frost

Early (10% chance after)March 10
Average (50%)March 21
Late (90%)April 16

First fall frost

Early (10%)October 24
Average (50%)November 1
Late (90% chance before)November 22

See the Killen planting calendar →