Greenfield is a small town in southwestern Iowa with a continental climate. The area experiences hot summers and cold winters, with an average yearly temperature of 50.4 degrees Fahrenheit. The town is located near the Middle Raccoon River, which contributes to the hydrology of the region. The river is home to several species of fish, including catfish, bass, and walleye. Outdoor recreation opportunities in Greenfield include hiking, camping, and fishing. Lake Greenfield Park offers a variety of activities, including boating, swimming, and picnicking. The park also has a disc golf course and a walking trail. In addition, the nearby Whiterock Conservancy provides opportunities for biking, horseback riding, and wildlife viewing.