The climate in 63105 Clayton, MO is generally mild, with hot summers and cold winters. Average highs in the summer months reach into the mid-80s while winter temperatures dip down to the mid-30s. Precipitation levels are fairly consistent throughout the year, with an average of around 39 inches annually. The area does not get a lot of extreme weather, but there have been occasional snowstorms during the winter months and sometimes heavy rainfalls during spring and fall.
Clayton (zip 63105), Missouri gets 43 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Clayton (zip 63105) 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 Clayton (zip 63105). The US average is 205 sunny days.
Clayton (zip 63105) 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 43 inches of rain a year
Snow: averages 16 inches of snow a year