Linn, Missouri is a small town located in Osage County, in the central part of the state. The climate in Linn is classified as humid continental, characterized by hot summers and cold winters. Average high temperatures range from around 40°F in winter to approximately 90°F in summer, with precipitation fairly evenly distributed throughout the year.

The town of Linn is situated near the Osage River, which provides several hydrology constituents for the area. The river serves as a source of water for irrigation and also supports various recreational activities such as fishing, boating, and swimming. Additionally, Linn is home to several creeks and streams that contribute to the local hydrological system.

Outdoor recreation opportunities in Linn are plentiful. The nearby Mark Twain National Forest offers opportunities for hiking, camping, and wildlife viewing. For water enthusiasts, the Osage River and nearby lakes provide excellent fishing and boating experiences. Hunter-Dawson State Historic Site, located in Linn, offers visitors a chance to explore a historic mansion and its surrounding grounds. Overall, Linn, Missouri offers a variety of outdoor recreation options for nature enthusiasts to enjoy.