Frost dates in Roscoe, SD

The average last spring frost in Roscoe is around May 11 and the first fall frost is around September 28. That gives Roscoe an average growing season of about 140 days.

Last spring frost

Early (10% chance after)April 24
Average (50%)May 11
Late (90%)May 22

First fall frost

Early (10%)September 13
Average (50%)September 28
Late (90% chance before)October 15

See the Roscoe planting calendar →