Frost dates in Spooner, WI

The average last spring frost in Spooner is around May 20 and the first fall frost is around September 23. That gives Spooner an average growing season of about 126 days.

Last spring frost

Early (10% chance after)May 6
Average (50%)May 20
Late (90%)June 10

First fall frost

Early (10%)September 5
Average (50%)September 23
Late (90% chance before)October 7

See the Spooner planting calendar →