Hottest and Coldest Temperatures Ever in Allentown on December 11

On December 11, the weather in Allentown, Pennsylvania showcased a range of temperatures throughout history. The hottest temperature ever recorded on this date was a balmy 63.0°F in 2021, while the coldest temperature dipped to a bone-chilling -2.0°F in 1958. On average, December 11 in Allentown experiences a temperature of 34.95°F, with a typical high of 41.70°F and low of 28.21°F. In other intriguing news from these years, in 1958, the world's first successful satellite, Explorer 1, was launched by the United States, marking an important milestone in space exploration.