Delaware, PA County has a humid subtropical climate, with hot, humid summers and cold winters. The average summer high temperature is around 88°F and the average winter low temperature is around 25°F. During the summer months, thunderstorms are common and temperatures often exceed 95°F. Precipitation is evenly distributed throughout the year with an average of 41 inches annually.
Delaware County, Pennsylvania gets 45 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Delaware County averages 16 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 204 sunny days per year in Delaware County. The US average is 205 sunny days.
Delaware County gets some kind of precipitation, on average, 114 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 87 degrees
Winter Low: the January low is 25
Rain: averages 45 inches of rain a year
Snow: averages 16 inches of snow a year