Hottest and Coldest Temperatures Ever in Philadelphia on June 12

On June 12th in Philadelphia, the weather has seen extremes throughout the years. In 2015, temperatures soared to a scorching 95.0°F, marking the hottest temperature ever recorded for this date. In contrast, in 1979, Philadelphia experienced a chill as the mercury dipped to a frigid 48.0°F, setting the record for the coldest temperature on this day. On average, the temperature on June 12th is around 71.51°F, with an average high of 76.25°F and an average low of 66.77°F. Amidst these temperature fluctuations, an interesting news item from 1979 was the signing of the Egypt-Israel Peace Treaty, bringing a new era of peace to the Middle East.