Frost dates in Tappen, ND

The average last spring frost in Tappen is around May 10 and the first fall frost is around October 6. That gives Tappen an average growing season of about 149 days.

Last spring frost

Early (10% chance after)April 24
Average (50%)May 10
Late (90%)May 22

First fall frost

Early (10%)September 17
Average (50%)October 6
Late (90% chance before)October 14

See the Tappen planting calendar →