The climate in Wentzville, MO 63385 is a humid continental climate, with cool winters and hot summers. The coldest month is January, when temperatures average around 17°F (-8°C). July is the hottest month of the year with temperatures reaching around 87°F (31°C). During the summer season, Wentzville experiences plenty of sunshine and warm weather. Precipitation totals average 33 inches per year so there are plenty of rainy days throughout the year as well.
Wentzville (zip 63385), Missouri gets 43 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Wentzville (zip 63385) 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 Wentzville (zip 63385). The US average is 205 sunny days.
Wentzville (zip 63385) gets some kind of precipitation, on average, 110 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 21
Rain: averages 43 inches of rain a year
Snow: averages 13 inches of snow a year