Hottest and Coldest Temperatures Ever in Allentown on May 17

On May 17th, temperatures in Allentown, Pennsylvania have historically ranged from a scorching 91.9°F in 1951 to a chilly 32.0°F in 1956. The average temperature for this date is a pleasant 61.47°F, with an average high of 66.62°F and an average low of 56.33°F. This climate data reflects the varying weather conditions experienced in the city over the years. As an interesting news item, in 1952, the Allentown Fairgrounds hosted a record-breaking air show, drawing thousands of aviation enthusiasts to witness daring aerobatic maneuvers and awe-inspiring displays of flight.