Hottest and Coldest Temperatures Ever in Allentown on June 13

On June 13th, Allentown experienced a range of temperatures, with the hottest recorded at 95.0°F in 1956 and the coldest at 46.0°F in 1979. The average temperature for this date is 69.07°F, with an average high of 74.36°F and an average low of 63.78°F. In 1956, apart from the heat, an interesting news item from that year was the opening of the first commercial computer in the United States, the UNIVAC 1, which paved the way for modern computing technology.