Frost dates in Stoy, IL

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

Last spring frost

Early (10% chance after)March 31
Average (50%)April 15
Late (90%)May 2

First fall frost

Early (10%)October 6
Average (50%)October 22
Late (90% chance before)November 7

See the Stoy planting calendar →