Montezuma, Ohio is a small, picturesque village located in Mercer County. The climate in this region is characterized by warm summers and cold winters. Summers are typically mild with temperatures ranging from 70-85°F, while winters can be cold with temperatures dropping to an average low of 20°F. Precipitation is evenly distributed throughout the year, with an average annual rainfall of 38 inches and an occasional snowfall during winter months.

Hydrology constituents in Montezuma are influenced by the nearby Grand Lake. The lake is a popular recreational spot and serves as a hub for fishing, boating, and swimming. It is home to various species of fish, including bass, crappie, and bluegill.

Outdoor enthusiasts will find plenty of recreational opportunities in Montezuma. The Grand Lake and its surrounding areas offer opportunities for boating, kayaking, and water skiing. The nearby state parks, such as Grand Lake St. Marys State Park, provide hiking trails, picnic areas, and camping facilities. Additionally, Montezuma is surrounded by beautiful countryside, making it an ideal location for nature walks, bird watching, and photography.