Clarion, Iowa has a humid continental climate with warm summers and chilly winters. The community lies in the Boone River Watershed, which is home to several hydrological constituents such as the Williams Creek and Goldfield Slough. Outdoor recreation opportunities in and around Clarion include the Clarion Aquatic Center, a municipally-owned pool, and the Gazebo and Central Parks, which have walking trails, picnic areas, and playgrounds. The area also has several fishing spots, such as the Boone River and Eagle Lake, which are stocked with catfish, bass, and bluegill. Overall, Clarion is a great destination for outdoor enthusiasts looking for a small town feel in Iowa.