The climate in 15627 Derry, PA is characterized by cold and snowy winters, as well as warm and humid summers. January is the coldest month of the year, with temperatures ranging from an average high of 36°F (2°C) to an average low of 19°F (-7°C). The summers tend to be quite hot and humid, with July averaging a high temperature of 86°F (30°C) and a low of 63°F (17°C). The area receives precipitation throughout the year, but typically experiences its heaviest season during the spring months. Snowfall usually begins in mid-November and can last through March or April depending on the weather conditions.
Derry (zip 15627), Pennsylvania gets 46 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Derry (zip 15627) averages 36 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 162 sunny days per year in Derry (zip 15627). The US average is 205 sunny days.
Derry (zip 15627) gets some kind of precipitation, on average, 145 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 84 degrees
Winter Low: the January low is 19
Rain: averages 46 inches of rain a year
Snow: averages 36 inches of snow a year