Frost dates in Iron Mountain Lake, MO

The average last spring frost in Iron Mountain Lake is around April 18 and the first fall frost is around October 15. That gives Iron Mountain Lake 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 Iron Mountain Lake planting calendar →