Frost dates in Hillsboro, MO

The average last spring frost in Hillsboro is around April 19 and the first fall frost is around October 18. That gives Hillsboro an average growing season of about 182 days.

Last spring frost

Early (10% chance after)February 24
Average (50%)April 19
Late (90%)May 2

First fall frost

Early (10%)October 10
Average (50%)October 18
Late (90% chance before)December 1

See the Hillsboro planting calendar →