Frost dates in Philipsburg, MT

The average last spring frost in Philipsburg is around June 30 and the first fall frost is around August 28. That gives Philipsburg an average growing season of about 59 days.

Last spring frost

Early (10% chance after)June 10
Average (50%)June 30
Late (90%)July 22

First fall frost

Early (10%)August 7
Average (50%)August 28
Late (90% chance before)September 15

See the Philipsburg planting calendar →