The climate in 21228 Catonsville, MD is mostly mild throughout the year, with hot summers and cool winters. Average temperatures range from the high 40s in winter to the mid-80s in summer, with occasional heat waves and cold snaps. Rainfall is abundant throughout the year, with an average of 43 inches per year, and snowfall averages around 17 inches annually. The area experiences predominantly sunny skies for about two thirds of the year, so residents can enjoy plenty of sunshine on a regular basis.
Catonsville (zip 21228), Maryland gets 45 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Catonsville (zip 21228) 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 Catonsville (zip 21228). The US average is 205 sunny days.
Catonsville (zip 21228) gets some kind of precipitation, on average, 114 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 24
Rain: averages 45 inches of rain a year
Snow: averages 18 inches of snow a year