Hottest and Coldest Temperatures Ever in Philadelphia on July 11

On 07-11, Philadelphia experienced diverse temperatures throughout its history. The highest temperature on record was a scorching 100.0°F in 1988, while 1963 witnessed the chilliest temperature at 55.0°F. The average temperature for this date stands at a comfortable 76.38°F, with an average high of 80.05°F and an average low of 72.71°F. Amidst these weather fluctuations, an intriguing news item from 1988 caught attention, where Philadelphia implemented a city-wide initiative to promote energy efficiency and reduce carbon emissions, in response to the extreme heat experienced that year.