Frost dates in Waterloo, IN

The average last spring frost in Waterloo is around April 28 and the first fall frost is around October 22. That gives Waterloo an average growing season of about 177 days.

Last spring frost

Early (10% chance after)April 15
Average (50%)April 28
Late (90%)May 12

First fall frost

Early (10%)October 9
Average (50%)October 22
Late (90% chance before)November 5

See the Waterloo planting calendar →