Philadelphia, PA has a humid subtropical climate characterized by hot and humid summers, mild winters, and regular precipitation throughout the year. The city sees its warmest temperatures during July and August when temperatures average around 84°F (29°C). Nights are also quite warm in the summertime with average lows of 68°F (20°C). The cooler months start in late October and last until April, with temperatures averaging 40°F (4°C) during the day and 23°F (-5°C) at night. Snowfall is common throughout the winter months, with an average of 22 inches (56 cm) per year. Rainfall is also frequent, occurring an average of 115 days a year.
Philadelphia (zip 19123), Pennsylvania gets 46 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Philadelphia (zip 19123) averages 13 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 205 sunny days per year in Philadelphia (zip 19123). The US average is 205 sunny days.
Philadelphia (zip 19123) gets some kind of precipitation, on average, 123 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 27
Rain: averages 46 inches of rain a year
Snow: averages 13 inches of snow a year