Hottest and Coldest Temperatures Ever in Philadelphia on July 30
On July 30th, the city of Philadelphia experienced a range of temperatures. The highest temperature ever recorded on this date was 98.1°F in 1954, while the coldest temperature was 57.9°F in 1981. The average temperature for July 30th stands at 76.90°F, with an average high of 80.75°F and an average low of 73.04°F. In 1954, the same year as the hottest temperature recorded, a news item of interest was the opening of the world's first atomic power station to generate electricity in Obninsk, Russia.