Frost dates in Bridger, MT

The average last spring frost in Bridger is around May 16 and the first fall frost is around September 21. That gives Bridger an average growing season of about 128 days.

Last spring frost

Early (10% chance after)April 30
Average (50%)May 16
Late (90%)June 8

First fall frost

Early (10%)September 4
Average (50%)September 21
Late (90% chance before)October 13

See the Bridger planting calendar →