The climate in 17225 Greencastle, PA is generally temperate and humid. During the summer months, temperatures average in the mid-80s with high humidity and frequent thunderstorms. Winters are cold with temperatures ranging from the low teens to the high 30s, accompanied by snowfall and occasional ice storms. Spring and fall are mild and pleasant, with temperatures usually ranging from the low 50s to the mid-70s. Precipitation is abundant throughout the year, though it is higher during the spring months than at other times of year.
Greencastle (zip 17225), Pennsylvania gets 41 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Greencastle (zip 17225) averages 29 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 Greencastle (zip 17225). The US average is 205 sunny days.
Greencastle (zip 17225) gets some kind of precipitation, on average, 119 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 22
Rain: averages 41 inches of rain a year
Snow: averages 29 inches of snow a year