Located in Perry County, Ohio, Thornville is a small village with a population of around 1,000 people. The village experiences a humid continental climate characterized by four distinct seasons. Summers are warm with average temperatures in the low 80s °F (around 27 °C), while winters are cold with temperatures dropping to the low 20s °F (around -6 °C). Spring and autumn offer pleasant mild weather.

Thornville is surrounded by various water bodies, including Buckeye Lake, which is a popular hydrology constituent in the area. Buckeye Lake offers opportunities for boating, fishing, and water sports. The lake is known for its abundant fish population, including bass, crappie, and catfish.

In addition to Buckeye Lake, Thornville is near Dillon State Park, which covers over 2,300 acres. The park offers numerous outdoor recreation opportunities, such as hiking, camping, picnicking, and wildlife viewing. Dillon State Park also has a 1,360-acre reservoir where visitors can enjoy boating, fishing, and swimming.

Overall, Thornville's climate, proximity to water bodies, and nearby state park make it an attractive destination for outdoor enthusiasts seeking various recreational activities.