Cornwall, PA is located in the eastern part of the state and has a humid subtropical climate. Summers are typically hot and humid, with temperatures usually reaching the high 80s. Winters are mild but can become cold at times, with temperatures dropping into the low 20s. Rainfall is generally abundant throughout the year, with snowfall occasionally occurring during winter months. The area experiences all four seasons and enjoys a variety of weather conditions.
Cornwall, Pennsylvania gets 43 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Cornwall averages 24 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 194 sunny days per year in Cornwall. The US average is 205 sunny days.
Cornwall gets some kind of precipitation, on average, 116 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 24 inches of snow a year