Frost dates in Bainville, MT

The average last spring frost in Bainville is around May 20 and the first fall frost is around September 14. That gives Bainville an average growing season of about 117 days.

Last spring frost

Early (10% chance after)May 9
Average (50%)May 20
Late (90%)June 8

First fall frost

Early (10%)August 28
Average (50%)September 14
Late (90% chance before)September 25

See the Bainville planting calendar →