Round Rock, TX has a temperate climate with mild winters and hot summers. The average temperature in the summer is around 90°F, while in the winter it dips down to an average of 49°F. Rainfall is abundant throughout all seasons with an average annual precipitation of 33 inches. The area also experiences mild storms throughout the year from March-October with temperatures typically remaining moderate during these times.
Round Rock, Texas gets 36 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Round Rock averages 0 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 232 sunny days per year in Round Rock. The US average is 205 sunny days.
Round Rock gets some kind of precipitation, on average, 78 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 95 degrees
Winter Low: the January low is 38
Rain: averages 36 inches of rain a year
Snow: averages 0 inches of snow a year