63118 St. Louis, MO has a humid subtropical climate with four distinct seasons. Summers are hot and humid with temperatures usually reaching around 90°F (32°C) during the day, and nights cool down to around 70°F (21°C). Winters in 63118 St. Louis, MO are cold with temperatures typically hovering in the mid 30s and low 40s (0-7°C). Spring and autumn bring mild temperatures, rainfall, and sometimes thunderstorms. Rainfall in 63118 St. Louis is fairly evenly distributed throughout the year with slightly higher amounts during spring months due to thunderstorms.
St. Louis (zip 63118), Missouri gets 42 inches of rain, on average, per year. The US average is 38 inches of rain per year.
St. Louis (zip 63118) 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 63118). The US average is 205 sunny days.
St. Louis (zip 63118) 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