Frost dates in Medora, ND

The average last spring frost in Medora is around May 20 and the first fall frost is around September 18. That gives Medora an average growing season of about 121 days.

Last spring frost

Early (10% chance after)May 3
Average (50%)May 20
Late (90%)June 7

First fall frost

Early (10%)August 30
Average (50%)September 18
Late (90% chance before)September 29

See the Medora planting calendar →