Hottest and Coldest Temperatures Ever in Philadelphia on May 01

On May 1st in Philadelphia, historical data shows that the hottest temperature ever recorded was a scorching 89.1°F in 2010, while the coldest temperature reached a chilly 34.0°F in 1978. The average temperature for this date stands at 58.79°F, with an average high of 64.26°F and an average low of 53.32°F. In one noteworthy year, 1978, Philadelphia experienced an unusually cold spell with frosty conditions. The city faced severe weather challenges during that time, including a series of intense snowstorms that disrupted daily life and travel.