Frost dates in Pinesdale, MT

The average last spring frost in Pinesdale is around May 26 and the first fall frost is around September 19. That gives Pinesdale an average growing season of about 116 days.

Last spring frost

Early (10% chance after)May 10
Average (50%)May 26
Late (90%)June 15

First fall frost

Early (10%)September 4
Average (50%)September 19
Late (90% chance before)October 4

See the Pinesdale planting calendar →