Hottest and Coldest Temperatures Ever in Philadelphia on December 27
On December 27th in Philadelphia, the weather varied from a scorching 64.9°F (18.3°C) in 2015, the hottest temperature ever recorded, to a bone-chilling 8.1°F (-13.3°C) in 1989, the coldest temperature recorded on this date. Typically on this day, the average temperature hovers around 33.96°F (1.09°C), with highs reaching 41.26°F (5.14°C) and lows dropping to 26.66°F (-2.96°C). While experiencing the usual winter temperatures, it's fascinating to note that in 1989, during the frigid cold, Berlin Wall fell, symbolizing the end of an era and paving the way for reunification in Germany.