Hottest and Coldest Temperatures Ever in Allentown on July 13

On July 13th in Allentown, Pennsylvania, notable weather data includes the record-breaking temperature of 99.0°F in 1966, making it the hottest day ever recorded. Conversely, 2001 saw the coldest day at 51.1°F. The average temperature for this date stands at 73.93°F, with an average high temperature of 78.69°F and an average low of 69.16°F. In an interesting news item from the past, during 1966, Allentown celebrated the grand opening of Dorney Park's Wildwater Kingdom, welcoming visitors to enjoy thrilling water slides and wave pools, providing a refreshing respite from the summer heat.