New Hartford, Iowa, is a small town located in Butler County. It experiences a humid continental climate with warm summers and cold winters. The area receives an average annual precipitation of around 36 inches, which is evenly distributed throughout the year. The Shell Rock River flows through the town, providing hydrology constituents for the community.

New Hartford offers various outdoor recreation opportunities for residents and visitors. The town boasts parks and recreational areas where people can engage in activities like hiking, biking, and picnicking. Fishing enthusiasts can enjoy casting their lines in the Shell Rock River, which is known for its diverse fish population. Additionally, there are opportunities for boating and kayaking in the nearby waters. Nature lovers can explore the scenic landscapes surrounding the town, capturing the beauty of the Iowa countryside.