Diamond, Ohio is a small community located in Portage County, Ohio. The climate in Diamond is typical of the Midwest, with warm summers and cold winters. The area receives an average of 42 inches of precipitation per year, with snowfall common in the winter months. The hydrology constituents of Diamond are primarily made up of the Mahoning River, which flows through the northern part of the township. The river provides opportunities for fishing and boating, as well as scenic views for hiking and picnicking. Other outdoor recreation opportunities in Diamond include several parks and nature preserves, such as the Berlin Lake Wildlife Area, which offers opportunities for hunting, fishing, and wildlife viewing.