20622 Charlotte Hall, MD has a humid subtropical climate with hot and humid summers and mild winters. The hottest day of the year in 20622 Charlotte Hall, MD is July 20th, with an average high temperature of 92 degrees Fahrenheit and an average low temperature of 75 degrees Fahrenheit. During the winter months, temperatures tend to be mild with average high temperatures around 46 degrees Fahrenheit and average lows of 27 degrees Fahrenheit. Precipitation is generally abundant throughout the year with snowfall consisting mainly of light flurries or sleet that rarely accumulates more than a couple inches at once.
Charlotte Hall (zip 20622), Maryland gets 44 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Charlotte Hall (zip 20622) averages 16 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 Charlotte Hall (zip 20622). The US average is 205 sunny days.
Charlotte Hall (zip 20622) gets some kind of precipitation, on average, 108 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 86 degrees
Winter Low: the January low is 26
Rain: averages 44 inches of rain a year
Snow: averages 16 inches of snow a year