Sewal, Iowa is a small rural town located in the southeastern part of the state. The climate in Sewal is classified as humid continental, characterized by hot, humid summers and cold winters. Average temperatures range from around 30°F (-1°C) in winter to approximately 85°F (29°C) in summer. Precipitation is fairly evenly distributed throughout the year, with an annual average of around 36 inches (91 cm).

Hydrologically, Sewal is situated in an area with a rich network of rivers and creeks. The main water body in the vicinity is the Chariton River, which provides opportunities for fishing, boating, and water sports. It is known for its diverse fish species, including bass, catfish, and crappie.

Outdoor recreation enthusiasts can enjoy various activities in Sewal. The town is surrounded by beautiful natural landscapes, offering opportunities for hiking, camping, and birdwatching. Additionally, there are several parks and trails nearby for walking, biking, and picnicking. Sewal Wildlife Area, located in the vicinity, provides excellent wildlife viewing and hunting opportunities.

Overall, Sewal, Iowa offers a temperate climate, abundant water resources, and a range of outdoor recreation opportunities, making it an inviting destination for nature lovers.