Frederick, MD has a humid subtropical climate with hot and humid summers and cold, snowy winters. Summers are typically hot and humid, with temperatures often reaching into the high 80s or even 90s during the day. Winters are cold and snowy, with average temperatures ranging from the low 20s to low 30s. Precipitation is fairly common throughout the year, but especially in late summer and early fall due to thunderstorms that can bring heavy rainfall at times.
Frederick (zip 21701), Maryland gets 43 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Frederick (zip 21701) averages 23 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 198 sunny days per year in Frederick (zip 21701). The US average is 205 sunny days.
Frederick (zip 21701) 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 43 inches of rain a year
Snow: averages 23 inches of snow a year