Lewis Center is a small community located in Delaware County, Ohio. The region experiences a humid continental climate, characterized by hot, humid summers and cold winters. Average temperatures range from around 20°F (-6°C) in winter to 85°F (29°C) in summer. Precipitation is evenly distributed throughout the year, with an annual average of about 40 inches (102 cm).

As for hydrology constituents, Lewis Center is situated near Alum Creek Lake, a reservoir formed by the damming of Alum Creek. The lake provides opportunities for fishing, boating, and water sports, attracting outdoor enthusiasts. The area's hydrology also consists of several smaller creeks and ponds, which add to the natural beauty of the surroundings and provide habitats for diverse wildlife.

Outdoor recreation opportunities in Lewis Center are abundant. The community is surrounded by parks and nature preserves, such as Highbanks Metro Park and Shale Hollow Park, offering miles of trails for hiking, biking, and wildlife observation. Residents and visitors can also enjoy golfing at the nearby NorthStar Golf Club or engage in recreational activities at the Olentangy River, which runs through the area. Lewis Center provides a picturesque setting for those seeking an active and nature-filled lifestyle.