The climate in Jefferson, MD is generally mild and temperate. Summers are typically warm with temperatures reaching an average high of 81°F and lows of 58°F. Winters experience cooler temperatures with averages around 40°F for the highs and 25°F for the lows. Rainfall is abundant throughout the year, averaging about 45 inches annually. Snowfall is also common in the winter months, usually dropping an average of 18 inches each season. The area enjoys sunny days year-round, with approximately 215 sunny days on average annually.
Jefferson, Maryland gets 42 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Jefferson averages 19 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 Jefferson. The US average is 205 sunny days.
Jefferson 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 88 degrees
Winter Low: the January low is 23
Rain: averages 42 inches of rain a year
Snow: averages 19 inches of snow a year