Frost dates in Jerseyville, IL

The average last spring frost in Jerseyville is around April 17 and the first fall frost is around October 15. That gives Jerseyville an average growing season of about 181 days.

Last spring frost

Early (10% chance after)April 3
Average (50%)April 17
Late (90%)May 4

First fall frost

Early (10%)October 1
Average (50%)October 15
Late (90% chance before)November 2

See the Jerseyville planting calendar →