Frost dates in Hallam, NE

The average last spring frost in Hallam is around April 26 and the first fall frost is around October 12. That gives Hallam an average growing season of about 169 days.

Last spring frost

Early (10% chance after)April 9
Average (50%)April 26
Late (90%)May 11

First fall frost

Early (10%)September 27
Average (50%)October 12
Late (90% chance before)October 28

See the Hallam planting calendar →