The climate in 21757 Keymar, MD, USA is mostly temperate. The area experiences four distinct seasons with mild temperatures throughout the year. Summers are usually hot and humid, while winters are cold and wet. During the spring and fall, temperatures remain moderate with occasional rain showers. Keymar enjoys an average of 209 sunny days each year and snowfall averages between 12-15 inches annually.
Keymar (zip 21757), Maryland gets 42 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Keymar (zip 21757) averages 23 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 Keymar (zip 21757). The US average is 205 sunny days.
Keymar (zip 21757) 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 87 degrees
Winter Low: the January low is 23
Rain: averages 42 inches of rain a year
Snow: averages 23 inches of snow a year