Frost dates in Stewardson, IL

The average last spring frost in Stewardson is around April 14 and the first fall frost is around October 19. That gives Stewardson an average growing season of about 188 days.

Last spring frost

Early (10% chance after)April 7
Average (50%)April 14
Late (90%)April 23

First fall frost

Early (10%)October 3
Average (50%)October 19
Late (90% chance before)October 30

See the Stewardson planting calendar →