Crystal City is a small city located in Jefferson County, Missouri. The climate in Crystal City is characterized by mild to cool winters and hot, humid summers. The city is situated near the Big River, which contributes significantly to the hydrology constituents of the area. Outdoor recreation opportunities in and around Crystal City include fishing, kayaking, and hiking in nearby parks such as St. Francois State Park and Washington State Park. Additionally, the city has several parks with playgrounds, basketball courts, and picnic areas for families to enjoy. Overall, Crystal City offers a variety of outdoor activities and beautiful scenery for residents and visitors.