Shelbyville, Missouri is a small town located in the northeastern part of the state. It experiences a humid continental climate, characterized by hot summers and cold winters. Average high temperatures in the summer reach around 87°F (31°C), while winter temperatures can drop to an average low of 21°F (-6°C). The area receives an average annual precipitation of 44 inches, with rainfall occurring fairly evenly throughout the year.

Hydrologically, Shelbyville lies within the Salt River watershed, which is part of the larger Mississippi River basin. The Salt River itself flows through the town, offering opportunities for fishing and boating enthusiasts. The river is home to various fish species, including bass, catfish, and sunfish.

Outdoor recreation enthusiasts can take advantage of the natural beauty surrounding Shelbyville. The town is surrounded by scenic forests and rolling hills, making it a great location for hiking, camping, and wildlife observation. Additionally, the region offers hunting opportunities for deer, turkey, and other game species. With its diverse outdoor offerings and pleasant climate, Shelbyville, Missouri is a great destination for nature lovers and outdoor adventurers.