Hottest and Coldest Temperatures Ever in Allentown on December 12

On December 12th, Allentown experienced the hottest temperature ever recorded at 62.1°F in 1979, while the coldest temperature was a chilly 1.9°F in 1988. The average temperature for this date is 35.09°F, with an average high of 41.92°F and an average low of 28.26°F. Interestingly, in 1979 when Allentown reached its record high, the Sony Walkman was introduced, revolutionizing the way people listened to music on the go.