Frost dates in Lisbon, ND

The average last spring frost in Lisbon is around May 18 and the first fall frost is around September 21. That gives Lisbon an average growing season of about 126 days.

Last spring frost

Early (10% chance after)May 2
Average (50%)May 18
Late (90%)June 5

First fall frost

Early (10%)September 6
Average (50%)September 21
Late (90% chance before)October 7

See the Lisbon planting calendar →