Mount-Sterling, Missouri is a small town located in the southern part of the state. The climate in Mount-Sterling is characterized by hot summers and mild winters, with an average temperature of 75°F (24°C) in the summer and 40°F (4°C) in the winter. The area receives moderate rainfall throughout the year.

Hydrology constituents in Mount-Sterling are primarily influenced by the nearby Mississippi River and its tributaries. The town is not directly located on a major water body, but the surrounding area boasts numerous lakes and ponds, providing ample opportunities for fishing, boating, and water sports.

In terms of outdoor recreation, Mount-Sterling offers various opportunities. The town is surrounded by stunning natural landscapes, including forests, rolling hills, and valleys, making it a great destination for hiking and camping enthusiasts. Additionally, there are several nearby conservation areas and state parks that offer activities such as birdwatching, hunting, and wildlife viewing. Mount-Sterling also has a golf course and a community park with facilities for sports and picnicking. Overall, the town provides a peaceful and picturesque setting for outdoor enthusiasts to enjoy nature's beauty and engage in various recreational activities.