Pack or skip
Sunglasses for Washington DC in August
Verdict
Pack it
Highs around 88°F — plenty of daylight glare.
Why
Washington DC in August averages highs of 88°F, lows of 71°F, 9 rainy days.
That climate means sunglasses earns its space in the bag. Highs around 88°F — plenty of daylight glare.