Frost dates in Potosi, WI

The average last spring frost in Potosi is around April 16 and the first fall frost is around October 22. That gives Potosi an average growing season of about 189 days.

Last spring frost

Early (10% chance after)April 3
Average (50%)April 16
Late (90%)May 2

First fall frost

Early (10%)October 7
Average (50%)October 22
Late (90% chance before)November 9

See the Potosi planting calendar →