20860 Ashton-Sandy Spring, MD has a humid subtropical climate with hot summers and cool winters. The average temperature in summer is around 80°F and can climb up to 90°F during the hottest days. Winters tend to be quite cold with temperatures that range from 30°F to 40°F. Rainfall is fairly consistent throughout the year with precipitation levels averaging around 4-5 inches per month. Annual snowfall can vary greatly from season to season but typically ranges between 6-12 inches each year.
Ashton-Sandy Spring (zip 20860), Maryland gets 44 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Ashton-Sandy Spring (zip 20860) 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 Ashton-Sandy Spring (zip 20860). The US average is 205 sunny days.
Ashton-Sandy Spring (zip 20860) gets some kind of precipitation, on average, 112 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 87 degrees
Winter Low: the January low is 25
Rain: averages 44 inches of rain a year
Snow: averages 16 inches of snow a year