Frost dates in Outlook, MT

The average last spring frost in Outlook is around May 28 and the first fall frost is around September 3. That gives Outlook an average growing season of about 98 days.

Last spring frost

Early (10% chance after)May 14
Average (50%)May 28
Late (90%)June 13

First fall frost

Early (10%)August 12
Average (50%)September 3
Late (90% chance before)September 20

See the Outlook planting calendar →