Essex is a small town in southwestern Iowa near the Missouri border. The climate in Essex is typical of the Midwest, with hot summers and cold winters, and precipitation spread throughout the year. The town is situated near the East Nishnabotna River, which is the primary hydrology constituent in the area. The river is used for recreational activities such as fishing and canoeing. Essex is also home to the Noddleman Memorial Park, which features a playground, picnic area, and walking trails. The nearby Lake Icaria State Park offers additional outdoor recreation opportunities, including boating, swimming, and camping.