Frost dates in Basco, IL

The average last spring frost in Basco is around April 16 and the first fall frost is around October 18. That gives Basco an average growing season of about 185 days.

Last spring frost

Early (10% chance after)April 5
Average (50%)April 16
Late (90%)May 1

First fall frost

Early (10%)October 6
Average (50%)October 18
Late (90% chance before)November 1

See the Basco planting calendar →