Frost dates in Maddock, ND

The average last spring frost in Maddock is around May 14 and the first fall frost is around September 29. That gives Maddock an average growing season of about 138 days.

Last spring frost

Early (10% chance after)April 30
Average (50%)May 14
Late (90%)May 24

First fall frost

Early (10%)September 18
Average (50%)September 29
Late (90% chance before)October 13

See the Maddock planting calendar →