Hottest and Coldest Temperatures Ever in Philadelphia on December 13

On December 13th in Philadelphia, temperatures ranged from a record-breaking 71.1°F in 2015 to a chilling low of 8.1°F in 1960. The average temperature for this date is 37.69°F, with an average high of 45.32°F and an average low of 30.07°F. Notably, in 2015, Philadelphia experienced an unusually warm day, surpassing previous temperature records. In that same year, scientists discovered a new species of colorful frogs in the rainforests of South America, highlighting the continuous exploration and discovery of our natural world.