Frost dates in Biwabik, MN

The average last spring frost in Biwabik is around June 13 and the first fall frost is around September 5. That gives Biwabik an average growing season of about 84 days.

Last spring frost

Early (10% chance after)June 2
Average (50%)June 13
Late (90%)July 12

First fall frost

Early (10%)August 15
Average (50%)September 5
Late (90% chance before)September 26

See the Biwabik planting calendar →