20774 Kettering, MD has a humid subtropical climate, with warm and humid summers, and cold and occasionally snowy winters. Average temperatures in the summer months range from 68 to 87°F (20-30°C), while winter temperatures average from 28 to 47°F (-2 - 8°C). Rainfall is plentiful throughout the year, with higher amounts during the summer months than during the winter months. The area also sees an average of 15 inches (38 cm) of snow per year.
Kettering (zip 20774), Maryland gets 44 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Kettering (zip 20774) averages 14 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 204 sunny days per year in Kettering (zip 20774). The US average is 205 sunny days.
Kettering (zip 20774) 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 88 degrees
Winter Low: the January low is 24
Rain: averages 44 inches of rain a year
Snow: averages 14 inches of snow a year