Hottest and Coldest Temperatures Ever in Allentown on July 20

On July 20th in Allentown, the weather has seen extremes over the years. In 1980, the city experienced its hottest recorded temperature of 100.9°F, while in 1997, the coldest temperature of 48.0°F was observed. On average, this date sees a temperature of 75.97°F, with the day reaching an average high of 79.69°F and dropping to an average low of 72.25°F. In this context, it's interesting to note that in 1980, during the high temperature record year, the city also celebrated the opening of a new water park, providing locals with a refreshing escape from the summer heat.