Frost dates in New Haven, IL

The average last spring frost in New Haven is around March 24 and the first fall frost is around November 4. That gives New Haven an average growing season of about 225 days.

Last spring frost

Early (10% chance after)March 8
Average (50%)March 24
Late (90%)April 14

First fall frost

Early (10%)October 23
Average (50%)November 4
Late (90% chance before)November 16

See the New Haven planting calendar →