Located in St. Louis County, Missouri, Richwoods is a small community with a unique climate and abundant outdoor recreational opportunities. The area experiences a humid continental climate, characterized by hot summers and cold winters. Summers are typically warm with average temperatures ranging from 70°F to 90°F, while winters see temperatures dropping to the 20s°F and occasional snowfall.

Richwoods is surrounded by beautiful natural landscapes, including numerous lakes and rivers. The Meramec River, which runs through the region, offers various water-based activities such as boating, fishing, and canoeing. Additionally, several nearby parks provide excellent opportunities for hiking, camping, and wildlife observation. Richwoods Conservation Area, a popular destination for outdoor enthusiasts, features over 6,000 acres of forests, hills, and streams, offering a diverse range of recreational options.

The hydrology of Richwoods includes several creeks and small rivers that contribute to the overall watershed. The Meramec River itself plays a significant role in the area's hydrological system, providing essential water resources for both human and ecological needs.

Overall, Richwoods, Missouri provides a picturesque setting with ample opportunities for outdoor recreation, making it an ideal destination for nature lovers and those seeking to enjoy the region's natural beauty and diverse activities.