Fairfield, Ohio has a humid continental climate typified by four distinct seasons. The summers are warm with an average temperature of 84°F, while winters are cold with temperatures between 20°F and 30°F. Located on the Great Miami River, the town also benefits from an abundant supply of water resources mainly from the groundwater aquifer that serves as the primary source of drinking water. Fairfield has a plethora of outdoor recreation opportunities, including multiple parks, nature preserves, and green spaces. Visitors can engage in activities such as hiking, biking, fishing, and camping. The scenic Harbin Park is a popular attraction, offering over 200 acres of land with hiking trails, picnic areas, and a playground.