Bryan, Ohio is located in the northwestern part of the state and has a humid continental climate with four distinct seasons. Summers are typically warm and humid, while winters can be cold and snowy. The hydrology constituents of the area include the Maumee River, which flows through the town, and several small creeks and streams.

Outdoor recreation opportunities in Bryan include hiking and camping at the nearby Harrison Lake State Park, fishing in the Maumee River or local ponds, and golfing at one of the town's two golf courses. The town also has several parks and green spaces, including the Bryan Reservoir Park, which offers boating and fishing opportunities. Overall, Bryan, Ohio provides a variety of outdoor activities for residents and visitors to enjoy throughout the year.