The climate in 21641 Hillsboro, MD is characterized by hot and humid summers with average temperatures reaching into the high 80s to low 90s throughout the months of June through August. Winters are cold and wet, with temperatures dropping down into the 20s and 30s during the colder winter months of December through February. Precipitation is common throughout the year, although springtime tends to bring more rain than other seasons. The area can also be prone to severe thunderstorms during the summer months so it's important to stay aware of current weather conditions.
Hillsboro (zip 21641), Maryland gets 45 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Hillsboro (zip 21641) averages 15 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 Hillsboro (zip 21641). The US average is 205 sunny days.
Hillsboro (zip 21641) gets some kind of precipitation, on average, 111 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 87 degrees
Winter Low: the January low is 26
Rain: averages 45 inches of rain a year
Snow: averages 15 inches of snow a year