St. Louis, Missouri gets 42 inches of rain, on average, per year. The US average is 38 inches of rain per year.
St. Louis 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. The US average is 205 sunny days.
St. Louis 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.
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
BESTPLACES COMFORT INDEX
The annual BestPlaces Comfort Index for St. Louis is 7.2 (10=best), which means it is more comfortable than most places in Missouri.
7.3 / 5.6
Summer / Winter
September, May and October are the most pleasant months in St. Louis, while January and December are the least comfortable months.