Frost dates in Iola, WI

The average last spring frost in Iola is around May 11 and the first fall frost is around October 2. That gives Iola an average growing season of about 144 days.

Last spring frost

Early (10% chance after)April 24
Average (50%)May 11
Late (90%)May 27

First fall frost

Early (10%)September 20
Average (50%)October 2
Late (90% chance before)October 20

See the Iola planting calendar →