Clarksville, Iowa is a small town located in Butler County, in the northeastern part of the state. The climate in Clarksville is characterized by hot summers and cold winters, with an average annual temperature of around 48°F. The town is situated near the Cedar River, which is an important hydrological feature in the area. The river is known to contain high levels of nitrate and phosphorus, and is a source of drinking water for many communities. Outdoor recreation opportunities in the area include fishing, boating, and camping along the river, as well as hiking and biking in nearby parks and trails. Clarksville is a quaint and peaceful town, making it an ideal location for those seeking a quiet and relaxing getaway.