Gray is a small town located in northeastern Iowa, characterized by a humid continental climate with four distinct seasons. The area receives an average of 34 inches of precipitation annually, with snowfall being common in the winter months. The town is situated near the Wapsipinicon River, which is a tributary of the Mississippi River. The river is a popular spot for fishing, boating, and kayaking. Additionally, the town has access to several parks and trails, including the Wapsipinicon State Park and the Hoover Nature Trail, which offer opportunities for hiking, biking, and camping. The hydrology constituents in the area are influenced by agricultural practices, with high levels of nitrogen and phosphorus being present in the surrounding waterways.