Riverdale Park, MD experiences a humid subtropical climate with hot, humid summers and mild winters. Precipitation is plentiful throughout the year with an average of 41 inches of rain annually. The yearly snowfall averages around 10 inches with temperatures ranging from an average of 45 degrees Fahrenheit in January to 86 degrees Fahrenheit in July. Riverdale Park also enjoys lots of sunshine through the year with more than 2,600 hours each year.
Riverdale Park, Maryland gets 43 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Riverdale Park averages 13 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 207 sunny days per year in Riverdale Park. The US average is 205 sunny days.
Riverdale Park 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 89 degrees
Winter Low: the January low is 26
Rain: averages 43 inches of rain a year
Snow: averages 13 inches of snow a year