Gardendale is a city in Jefferson County, Alabama located in the northern part of the state. The climate in Gardendale is humid subtropical with hot summers and mild winters. Average annual precipitation is around 54 inches, with frequent thunderstorms in the summer months. Gardendale is located on the edge of the Appalachian Mountains and has many creeks and streams, including the Black Warrior River. The hydrology constituents of these waterways are monitored by the Jefferson County Department of Health. Gardendale is home to several parks, including the 70-acre Gardendale Veterans Memorial Park, which features baseball fields, playgrounds, and walking trails. Other outdoor recreation opportunities in the area include hiking and camping in the nearby mountains.