Sterling, VA has a humid subtropical climate with relatively mild winters and hot summers. The average high temperature in the summer months is in the mid-80s while the average lows in the winter months are usually in the mid-30s. In terms of precipitation, Sterling sees an average of about 41 inches per year with most of it falling in the spring and summer months. The area is also prone to thunderstorms and heavy rain throughout the year, which can cause localized flooding.
Sterling (zip 20164), Virginia gets 42 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Sterling (zip 20164) averages 22 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 197 sunny days per year in Sterling (zip 20164). The US average is 205 sunny days.
Sterling (zip 20164) gets some kind of precipitation, on average, 116 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 86 degrees
Winter Low: the January low is 24
Rain: averages 42 inches of rain a year
Snow: averages 22 inches of snow a year