Frost dates in Inverness, IL

The average last spring frost in Inverness is around April 28 and the first fall frost is around October 13. That gives Inverness an average growing season of about 168 days.

Last spring frost

Early (10% chance after)April 11
Average (50%)April 28
Late (90%)May 14

First fall frost

Early (10%)October 2
Average (50%)October 13
Late (90% chance before)November 1

See the Inverness planting calendar →