Hottest and Coldest Temperatures Ever in Philadelphia on August 05

On August 5th, Philadelphia experienced a wide temperature range, with the highest recorded temperature being 97.0°F in 1955 and the lowest recorded temperature being 52.0°F in 1951. The average temperature for this date is 76.34°F, with an average high of 80.56°F and an average low of 72.12°F. In 1955, the same year as the highest temperature, an interesting news item occurred as Jonas Salk announced the success of the first polio vaccine, marking a major breakthrough in public health and paving the way for future medical advancements.