Steffenville, Missouri

Steffenville is an unincorporated community in southwestern Lewis County, Missouri, United States. It is located on Missouri Supplemental Route D, approximately 22 miles southwest of Canton. The community is part of the Quincy, IL–MO Micropolitan Statistical Area.

A post office called Steffenville was established in 1872, and remained in operation until 1988. Steffenville was named for Henry Steffens, a pioneer settler. The Steffens family was the original owner of the town site.

Climate
According to the Köppen Climate Classification system, Steffenville has a humid subtropical climate, abbreviated "Cfa" on climate maps. The hottest temperature recorded in Steffenville was 115 F on July 15, 1936, while the coldest temperature recorded was -28 F on February 13, 1905.