Hayneville, Alabama has a humid subtropical climate with mild winters and hot, humid summers. The town is situated along the Alabama River, which is the main hydrological feature in the area. Other hydrological constituents include wetlands and small creeks. Outdoor recreation opportunities in Hayneville include fishing and boating on the Alabama River, hunting in nearby wildlife management areas, and hiking in the nearby Lowndes Wildlife Management Area. The town also has a community park with basketball courts, a playground, and picnic areas. Overall, Hayneville offers a variety of outdoor activities for nature enthusiasts.