Pack or skip
Sunglasses for Washington DC in July
Verdict
Pack it
Highs around 90°F — plenty of daylight glare.
Why
Washington DC in July averages highs of 90°F, lows of 72°F, 10 rainy days.
That climate means sunglasses earns its space in the bag. Highs around 90°F — plenty of daylight glare.