63104 St. Louis, MO has a humid subtropical climate with hot and humid summers and cold winters. Average temperatures in the summer range from the mid-70s to low 80s, while average winter temperatures range from the 30s to mid-40s. The area receives approximately 39 inches of precipitation throughout the year, with most of it coming from spring and summer thunderstorms. Winter snowfall is usually light, though there are some snowstorms that can lead to more significant accumulations. On average, St Louis gets around 17 days of thunderstorm activity each year.
St. Louis (zip 63104), Missouri gets 42 inches of rain, on average, per year. The US average is 38 inches of rain per year.
St. Louis (zip 63104) averages 16 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 St. Louis (zip 63104). The US average is 205 sunny days.
St. Louis (zip 63104) gets some kind of precipitation, on average, 105 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 89 degrees
Winter Low: the January low is 23
Rain: averages 42 inches of rain a year
Snow: averages 16 inches of snow a year