Hottest and Coldest Temperatures Ever in Philadelphia on December 30

On December 30th, Philadelphia experienced slightly above average temperatures with an average temperature of 35.15°F. The highest temperature ever recorded on this date was 64.9°F in 1990, while the lowest was a chilling 3.9°F back in 1962. The average high temperature reached 42.06°F, while the average low temperature dropped to 28.23°F. In an interesting news item from the past, in 1990, the year with the highest recorded temperature on this date, Philadelphia hosted the "Philadelphia Freedom Festival" celebrating the 200th anniversary of the U.S. Constitution, drawing thousands of participants and attendees.