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.
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
SPERLING'S COMFORT INDEX
Delaware County ranks 54/100 for Comfort Index
A higher score indicates a more comfortable year-round climate. The US average for the comfort index is 54. Our index is based on the total number of days annually within the comfort range of 70-80 degrees, and we also applied a penalty for days of excessive humidity.