Hottest and Coldest Temperatures Ever in Washington DC on August 20

On August 20th in Washington D.C., temperatures have seen extremes over the years. In 1983, it reached a scorching 100.9°F, marking the hottest temperature ever recorded, while in 1964, it dropped to a chilly 55.9°F, the coldest temperature. The average temperature for this date stands at 76.12°F, with an average high of 79.80°F and an average low of 72.44°F. In 1983, amidst the heatwave, Washington D.C. made headlines for successfully implementing water conservation measures to combat drought conditions, ensuring a sustainable water supply for the city.