Frost dates in Stanley, ND

The average last spring frost in Stanley is around May 20 and the first fall frost is around September 15. That gives Stanley an average growing season of about 118 days.

Last spring frost

Early (10% chance after)May 7
Average (50%)May 20
Late (90%)June 2

First fall frost

Early (10%)September 4
Average (50%)September 15
Late (90% chance before)October 1

See the Stanley planting calendar →