Frost dates in Dubois, WY

The average last spring frost in Dubois is around June 22 and the first fall frost is around August 30. That gives Dubois an average growing season of about 69 days.

Last spring frost

Early (10% chance after)June 2
Average (50%)June 22
Late (90%)July 25

First fall frost

Early (10%)August 8
Average (50%)August 30
Late (90% chance before)September 15

See the Dubois planting calendar →