About Florissant, MO

Florissant is a city of approximately 52,300 people in Missouri, United States. Located in the Central Time Zone at 38.8°N latitude.

Expect a humid continental climate in Florissant: average highs of 89°F in midsummer, lows near 24°F in midwinter, and an annual mean of 57°F. Precipitation totals roughly 41 inches per year, concentrated around May, with February typically the driest month.