Frost dates in South Jacksonville, IL

The average last spring frost in South Jacksonville is around April 16 and the first fall frost is around October 28. That gives South Jacksonville an average growing season of about 195 days.

Last spring frost

Early (10% chance after)March 27
Average (50%)April 16
Late (90%)April 30

First fall frost

Early (10%)October 12
Average (50%)October 28
Late (90% chance before)November 2

See the South Jacksonville planting calendar →