Hottest and Coldest Temperatures Ever in Philadelphia on May 25

On May 25th in Philadelphia, historic weather data shows that the highest temperature ever recorded was a scorching 96.1°F in 1991, while the coldest temperature reached a chilly 39.9°F in 1963. The average temperature for this date is 65.33°F, with an average high of 71.18°F and an average low of 59.47°F. In the midst of these temperature extremes, an interesting event took place in 1991: Tim Berners-Lee, the inventor of the World Wide Web, introduced the first web page to the public, paving the way for the interconnected digital world we know today.