The climate in 63031 Florissant, MO is generally mild, with hot summers and cold winters. Average temperatures during the summer months average between 68 and 86 degrees Fahrenheit. During the winter months, temperatures range from 28 to 45 degrees Fahrenheit. The average annual precipitation for this area is just under 39 inches of rain and snow combined. The area experiences an average of 40 days of measurable precipitation each year. Snowfall is usually light with around 12 inches falling annually, mostly occurring between December and February.
Florissant (zip 63031), Missouri gets 42 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Florissant (zip 63031) averages 13 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 202 sunny days per year in Florissant (zip 63031). The US average is 205 sunny days.
Florissant (zip 63031) gets some kind of precipitation, on average, 104 days per year. Precipitation is rain, snow, sleet, or hail that falls to the ground. In order for precipitation to be counted you have to get at least .01 inches on the ground to measure.
Weather Highlights
Summer High: the July high is around 88 degrees
Winter Low: the January low is 22
Rain: averages 42 inches of rain a year
Snow: averages 13 inches of snow a year