Florissant is a city located in St. Louis County, Missouri. The climate in Florissant is considered to be continental, with hot summers and cold winters. The average annual precipitation is around 42 inches, with most of it occurring in the form of rain during the summer months. Florissant is home to several natural waterways, including the Missouri River and its tributaries, the Mississippi River and the Missouri River. These waterways provide important hydrological constituents and recreational opportunities, such as fishing, boating, and hiking. Additionally, there are several parks and outdoor recreation areas in Florissant, including the Sunset Park and the Eagan Civic Center Park, which offer trails, playgrounds, and picnic areas.