Frost dates in Altamont, MO

The average last spring frost in Altamont is around April 15 and the first fall frost is around October 21. That gives Altamont an average growing season of about 189 days.

Last spring frost

Early (10% chance after)April 1
Average (50%)April 15
Late (90%)May 2

First fall frost

Early (10%)October 8
Average (50%)October 21
Late (90% chance before)November 3

See the Altamont planting calendar →