Hottest and Coldest Temperatures Ever in Washington DC on July 19

On July 19th in Washington D.C., the temperature reached an impressive high of 99.0°F in 1999, marking the hottest recorded temperature for this date. Conversely, in 1962, the mercury dropped to a chilly 61.0°F, making it the coldest recorded temperature. The average temperature for July 19th is 80.81°F, with the average high at 84.20°F and the average low at 77.42°F. In 1999, interestingly, NASA's Chandra X-ray Observatory was launched, providing remarkable insights into the universe's X-ray emissions and revolutionizing our understanding of celestial objects.