20623 Rosaryville, MD has a humid subtropical climate with hot and humid summers and cold winters. The area experiences rainfall throughout the year, with precipitation levels peaking in the summer months of June through August. The average temperature in 20623 Rosaryville, MD ranges from 28°F to 87°F, with an annual average around 57°F. During the summer months, temperatures often reach into the 90s (Fahrenheit), while winter temperatures can drop below 0°F. Snowfall is common during the winter months, which may accumulate to several inches or more than a foot at times.
Rosaryville (zip 20623), Maryland gets 44 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Rosaryville (zip 20623) averages 15 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 Rosaryville (zip 20623). The US average is 205 sunny days.
Rosaryville (zip 20623) gets some kind of precipitation, on average, 106 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 25
Rain: averages 44 inches of rain a year
Snow: averages 15 inches of snow a year