Washington, DC Climate in August

Temperature for August

In Washington, DC during August the average high temperature is 87.3°F. The hottest day on record was August 27, 1948 when the temperature hit 105.3°F.

Washington, DC daily average and extreme temperature range for August

Low Temperature

During August the overnight temperature drops to an average of 69.3°F, with the lowest temperature of 48.9°F being recorded on August 30, 1986. In August it has never frozen overnight.

Precipitation for August

In August the average monthly rainfall in Washington, DC is 1.98 inches with rain usually falling on between 11 and 12 days. 1938 was the driest August with only 0.00 inches of rain falling, and 2011 was the wettest August with 8.93 inches of rain. The wettest single day in August was 28 August 2011 when 3.74 inches of rain fell.

In August it usually snows on between 0 and 1 days. There are thunderstorms on between 4 and 5 days in August.