Frost dates in Potosi, MO

The average last spring frost in Potosi is around April 15 and the first fall frost is around October 23. That gives Potosi an average growing season of about 191 days.

Last spring frost

Early (10% chance after)March 27
Average (50%)April 15
Late (90%)May 10

First fall frost

Early (10%)September 21
Average (50%)October 23
Late (90% chance before)November 11

See the Potosi planting calendar →