Lucas, Ohio is a small village located in Richland County, in the central part of the state. The climate in Lucas is considered to be a humid continental climate, characterized by hot summers and cold winters. The average temperature in the summer months ranges from the low to mid-80s Fahrenheit, while winter temperatures can drop to the mid-20s.

Hydrology constituents in Lucas are primarily influenced by the Clear Fork Mohican River, which flows through the village. The river provides opportunities for recreational activities such as fishing and boating. Additionally, Lucas is surrounded by several small lakes and ponds, contributing to the water resources available to residents and visitors.

Outdoor recreation opportunities in Lucas are abundant. The village is located near the southern edge of the Mohican-Memorial State Forest, offering opportunities for hiking, camping, and wildlife observation. The Clear Fork Reservoir, located just west of Lucas, provides additional opportunities for boating, fishing, and picnicking. Visitors can also explore the nearby Malabar Farm State Park, which offers hiking trails, a working farm, and historic buildings.

Overall, Lucas, Ohio offers a pleasant climate, access to water resources, and a variety of outdoor recreational activities for residents and visitors to enjoy.