Hottest and Coldest Temperatures Ever in Washington DC on August 13
On August 13th in Washington D.C., the weather saw some extreme temperatures in the past. The highest recorded temperature was a scorching 100.9°F in 2016, while the chilliest temperature dropped to 57.9°F back in 1950. In general, this date boasts an average temperature of 77.20°F, with the average high reaching 81.33°F and the average low staying at 73.08°F. In terms of an interesting news item, the year 1950 also marked the introduction of the first credit card, the Diners Club card, revolutionizing the way people make purchases.