Frost dates in Merna, NE

The average last spring frost in Merna is around May 12 and the first fall frost is around September 27. That gives Merna an average growing season of about 138 days.

Last spring frost

Early (10% chance after)April 23
Average (50%)May 12
Late (90%)May 25

First fall frost

Early (10%)September 13
Average (50%)September 27
Late (90% chance before)October 11

See the Merna planting calendar →