Griswold, Iowa is a small town with a population of around 1,000 residents. The climate in Griswold is typical of the Midwestern United States, with hot summers and cold winters. The area is prone to thunderstorms and tornadoes during the summer months. The hydrology constituents of the town are primarily made up of the Nishnabotna River, which runs through the outskirts of the town. Outdoor recreation opportunities in Griswold include fishing and boating on the river, as well as hunting in the surrounding countryside. The town also has several parks and green spaces for residents and visitors to enjoy.