Frost dates in Granton, WI

The average last spring frost in Granton is around May 16 and the first fall frost is around September 25. That gives Granton an average growing season of about 132 days.

Last spring frost

Early (10% chance after)May 1
Average (50%)May 16
Late (90%)June 1

First fall frost

Early (10%)September 11
Average (50%)September 25
Late (90% chance before)October 10

See the Granton planting calendar →