Hottest and Coldest Temperatures Ever in Allentown on April 04

On April 4th in Allentown, the temperature ranges from a record high of 78.1°F in 1950 to a record low of 19.9°F in 1954. The average temperature for this date is 47.41°F, with an average high of 54.11°F and an average low of 40.72°F. In 1950, when the temperature reached its peak, an interesting event occurred: the first modern credit card, called the Diners Club card, was introduced to the public. This card marked a significant milestone in the financial industry, revolutionizing the way people made payments and paving the way for the flourishing credit card culture we know today.