Mount Gretna Heights, PA has a climate that is typical of the Mid-Atlantic region of the United States. It experiences four distinct seasons and temperatures that range from hot in the summer to cold in the winter. The average annual temperature is around 54 degrees Fahrenheit, with July bringing an average high of 86 degrees and January an average low of 25 degrees. Precipitation occurs throughout all four seasons, though snowfall is more common during the winter months than the other three seasons combined. Summers tend to be humid due to its close proximity to the Atlantic Ocean and Chesapeake Bay. Overall, Mount Gretna Heights has a temperate climate that supports a wide variety of recreational activities year round.
Mount Gretna Heights, Pennsylvania gets 43 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Mount Gretna Heights averages 25 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 Mount Gretna Heights. The US average is 205 sunny days.
Mount Gretna Heights gets some kind of precipitation, on average, 121 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 85 degrees
Winter Low: the January low is 21
Rain: averages 43 inches of rain a year
Snow: averages 25 inches of snow a year