Hottest and Coldest Temperatures Ever in Philadelphia on October 13

On October 13th in Philadelphia, the recorded temperature reached a maximum of 87.1°F in 1954, making it the hottest ever recorded for this date. Conversely, the coldest temperature on the same day was 32.0°F, observed in 1988. The average temperature for October 13th is 58.02°F, with an average high of 63.81°F and an average low of 52.22°F. In an interesting historical tidbit, in 1954, the same year the highest temperature was recorded, the first successful kidney transplant took place between identical twins in Boston, Massachusetts, marking a significant advancement in medical history.