Frost dates in Naples, SD

The average last spring frost in Naples is around May 12 and the first fall frost is around September 29. That gives Naples an average growing season of about 140 days.

Last spring frost

Early (10% chance after)April 24
Average (50%)May 12
Late (90%)May 29

First fall frost

Early (10%)September 17
Average (50%)September 29
Late (90% chance before)October 12

See the Naples planting calendar →