The climate in 17064 Mount Gretna Heights, PA is generally mild. The summers are warm but not excessively hot and the winters are cold but typically not too frigid. Rainfall is generally plentiful throughout the year, with occasional snowfall in the winter months and a few thunderstorms during the summer months. The average high temperatures range from the upper 50s to lower 70s throughout the year, while lows typically stay in the mid-30s to mid-40s. All-in-all, this area has a temperate and comfortable climate that most people find enjoyable.
Mount Gretna Heights (zip 17064), Pennsylvania gets 43 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Mount Gretna Heights (zip 17064) 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 (zip 17064). The US average is 205 sunny days.
Mount Gretna Heights (zip 17064) 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