Port-William, Ohio is a picturesque town located in Clinton County. The climate in Port-William is classified as humid continental, with warm summers and cold winters. Average temperatures range from around 30°F (-1°C) in winter to 80°F (27°C) in summer, with precipitation spread throughout the year.

Hydrologically, Port-William lies in the upper Ohio River basin. It is traversed by several streams, including Sugar Run and Painters Run, which contribute to the hydrology of the region. These water bodies provide opportunities for fishing, boating, and other water-based activities.

Outdoor recreation enthusiasts will find plenty of opportunities in Port-William. The town boasts several parks and nature reserves, such as Cowan Lake State Park. This park offers various recreational activities, including hiking trails, camping, and swimming in the beautiful lake. The region is also known for its excellent bird-watching opportunities, with various migratory species visiting the area.

In summary, Port-William, Ohio offers a favorable climate with distinct seasons, a hydrology influenced by the Ohio River basin, and diverse outdoor recreation opportunities, making it an appealing destination for nature lovers and outdoor enthusiasts.