Perryville, MD has a humid subtropical climate typical of the Mid-Atlantic region. Summers are hot and muggy, with temperatures reaching above 90 degrees Fahrenheit in July and August, while winters are generally mild, with temperatures rarely dropping below freezing. Rainfall is plentiful throughout the year, with an average annual precipitation rate of 47 inches. Winters also bring occasional snowfalls which can contribute to higher average snowfall totals than other parts of Maryland. The relative humidity is usually high throughout the year, making for some sultry summer days.
Perryville, Maryland gets 46 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Perryville averages 15 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 199 sunny days per year in Perryville. The US average is 205 sunny days.
Perryville gets some kind of precipitation, on average, 117 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 24
Rain: averages 46 inches of rain a year
Snow: averages 15 inches of snow a year