Hottest and Coldest Temperatures Ever in Philadelphia on December 25

On December 25th in Philadelphia, the weather has varied greatly over the years. The hottest temperature on record was a balmy 68.0°F in 1964, while the coldest temperature dipped down to a frigid 1.0°F in 1980. Despite the extremes, the average temperature for this date is 35.66°F, with an average high of 43.78°F and an average low of 27.54°F. In a fascinating piece of news, in 1964, when the temperatures soared, the Beatles made their first appearance on The Ed Sullivan Show, captivating audiences with their music and igniting the British Invasion in the United States.