Ellicott City, MD is located in the Mid-Atlantic region of the United States and has a humid subtropical climate with hot summers and cold winters. The average annual temperature is around 54°F, with July typically being the hottest month and January the coldest month. During the summer months, temperatures can range from lows in the 60s to highs near 90°F. During winter months, temperatures can range from lows in the 20s to highs in the 40s or 50s. Rainfall is distributed throughout the year with occasional snowfall during winter months.
Ellicott City (zip 21163), Maryland gets 45 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Ellicott City (zip 21163) averages 18 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 213 sunny days per year in Ellicott City (zip 21163). The US average is 205 sunny days.
Ellicott City (zip 21163) gets some kind of precipitation, on average, 115 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 24
Rain: averages 45 inches of rain a year
Snow: averages 18 inches of snow a year