Frederick, MD has a humid subtropical climate characterized by hot, humid summers and cold winters. Average summer temperatures reach the mid to high 80s, while winter temperatures typically range between the low 20s and mid 40s. Rainfall is abundant throughout much of the year, with an average of 43 inches annually. Snowfall can also be common during winter months, with an average of over 17 inches per year. In general, Frederick enjoys four distinct seasons that bring a variety of weather conditions throughout the year.
Frederick (zip 21702), Maryland gets 42 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Frederick (zip 21702) averages 23 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 197 sunny days per year in Frederick (zip 21702). The US average is 205 sunny days.
Frederick (zip 21702) gets some kind of precipitation, on average, 107 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 88 degrees
Winter Low: the January low is 23
Rain: averages 42 inches of rain a year
Snow: averages 23 inches of snow a year