Hottest and Coldest Temperatures Ever in Philadelphia on April 09
On April 9th, Philadelphia experienced a range of weather conditions over the years. The hottest temperature ever recorded was 84.0°F in 1959, while the coldest temperature hit 26.1°F in 1977. The average temperature for this date stands at 49.09°F, with an average high of 56.24°F and an average low of 41.94°F. Looking back to 1959, it's interesting to note that during that year, the first-ever astronauts were selected by NASA as part of the space program, setting the stage for future significant achievements in space exploration.