Rockville, MO has a humid continental climate with hot summers and cold winters. During the summer months, temperatures can rise to over 90 degrees Fahrenheit while in the winter months temperatures can drop below freezing. The area also receives an average of 40 inches of precipitation spread over the course of the year, with most of it occurring during the summer months. Furthermore, Rockville experiences all four seasons with spring usually bringing plenty of rain and moderate temperatures. In the fall, colorful leaves provide a beautiful backdrop as temperatures slowly drop towards wintertime lows.
Rockville, Missouri gets 45 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Rockville averages 11 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 218 sunny days per year in Rockville. The US average is 205 sunny days.
Rockville gets some kind of precipitation, on average, 94 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 21
Rain: averages 45 inches of rain a year
Snow: averages 11 inches of snow a year