Washington, MD County has a humid subtropical climate, with mild winters and hot, humid summers. Average low temperatures in the winter range from the upper 30s to the lower 40s, while average highs range from the mid-50s to the mid-60s. Summers are generally hot and humid, with average lows in the upper 60s to lower 70s and average highs in the upper 80s to lower 90s. Rainfall is abundant throughout the year, with an average of 43 inches of rain annually. The area is also prone to thunderstorms during summer months and snowfall during winter months.
Washington County, Maryland gets 41 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Washington County averages 22 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 Washington County. The US average is 205 sunny days.
Washington County 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 86 degrees
Winter Low: the January low is 21
Rain: averages 41 inches of rain a year
Snow: averages 22 inches of snow a year