Hottest and Coldest Temperatures Ever in Philadelphia on December 28
On December 28th, Philadelphia experienced a range of temperatures, from a scorching 66.0°F in 2008, making it the hottest recorded temperature for that date, to a frosty 9.0°F in 1950, which holds the record for the coldest temperature. The average temperature on this day is 35.51°F, with a medium-high of 42.68°F and a medium-low of 28.34°F. In 2008, the year with the hottest temperature, Philadelphia hosted the World Series parade for the Phillies, celebrating their first championship win in 28 years, bringing joy and excitement to the city amidst the high temperatures.