Hottest and Coldest Temperatures Ever in Washington DC on December 22
On December 22nd in Washington D.C., the hottest temperature ever recorded was 72.0°F in 2013, while the coldest temperature was 5.0°F in 1989. Typically, the average temperature for this date is 38.09°F, with an average high of 45.26°F and an average low of 30.92°F. In an interesting event from the past years, in 2016, the National Museum of African American History and Culture officially opened its doors in Washington D.C., representing an important milestone in America's cultural landscape.