Hottest and Coldest Temperatures Ever in Allentown on June 20

On June 20th in Allentown, the hottest temperature on record was 95.0°F in 2012, while the coldest temperature ever recorded was 48.9°F in 1956. Typically, the average temperature for this date is 71.33°F, with an average high of 75.45°F and an average low of 67.21°F. In an interesting news item from the past, in 1956, the same year when the coldest temperature was recorded, "The Wizard of Oz" was released in theaters, captivating audiences with its iconic characters and magical storyline.