Frost dates in Lancaster, WI

The average last spring frost in Lancaster is around May 2 and the first fall frost is around October 7. That gives Lancaster an average growing season of about 158 days.

Last spring frost

Early (10% chance after)April 15
Average (50%)May 2
Late (90%)May 17

First fall frost

Early (10%)September 24
Average (50%)October 7
Late (90% chance before)October 22

See the Lancaster planting calendar →