Hottest and Coldest Temperatures Ever in Philadelphia on October 16
On October 16th in Philadelphia, the hottest temperature ever recorded was 84.0°F in 1989, while the coldest temperature ever recorded was 37.9°F in 1961. The average temperature for this date is 58.18°F, with an average high of 62.49°F and an average low of 53.86°F. In 1989, the year of the highest recorded temperature, an interesting news item was the fall of the Berlin Wall, symbolizing the end of the Cold War and the reunification of East and West Germany.