The climate in Dundalk, MD is generally mild and humid, with average temperatures ranging from the mid-30s to the low 90s Fahrenheit throughout the year. Summers are hot and humid, with temperatures typically hovering around 80 degrees Fahrenheit during July and August. Winters are cold but relatively mild compared to other parts of Maryland, with temperatures usually falling into the 30s and 40s throughout December, January, and February. Precipitation is common throughout the year, with precipitation levels usually averaging around 3 to 4 inches per month.
Dundalk (zip 21222), Maryland gets 42 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Dundalk (zip 21222) averages 15 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 Dundalk (zip 21222). The US average is 205 sunny days.
Dundalk (zip 21222) gets some kind of precipitation, on average, 113 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 90 degrees
Winter Low: the January low is 29
Rain: averages 42 inches of rain a year
Snow: averages 15 inches of snow a year