20818 Cabin John, MD has a humid subtropical climate, with warm, humid summers and relatively mild winters. Summer temperatures can get quite hot during the day and evenings are usually comfortable. Winters in 20818 Cabin John, MD are generally mild with temperatures rarely dropping below freezing. Precipitation is fairly consistent year-round with light snowfall occurring occasionally in the winter months.
Cabin John (zip 20818), Maryland gets 44 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Cabin John (zip 20818) averages 14 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 Cabin John (zip 20818). The US average is 205 sunny days.
Cabin John (zip 20818) 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 89 degrees
Winter Low: the January low is 26
Rain: averages 44 inches of rain a year
Snow: averages 14 inches of snow a year