Hottest and Coldest Temperatures Ever in Washington DC on July 30

On July 30th in Washington D.C., the temperature ranged from a scorching 99.0°F in 1953 to a cooler 60.1°F in 1956. The average temperature for this date stands at 78.59°F, with an average high of 82.62°F and an average low of 74.57°F. In a fascinating news item from those years, in 1953, the first Chevrolet Corvette rolled off the assembly line, marking the beginning of an iconic American sports car legacy.