Frost dates in Bonne Terre, MO

The average last spring frost in Bonne Terre is around April 18 and the first fall frost is around October 15. That gives Bonne Terre an average growing season of about 180 days.

Last spring frost

Early (10% chance after)April 1
Average (50%)April 18
Late (90%)May 3

First fall frost

Early (10%)September 30
Average (50%)October 15
Late (90% chance before)November 1

See the Bonne Terre planting calendar →