Pack or skip
Sunglasses for Washington DC in March
Verdict
Pack it
Highs around 57°F — plenty of daylight glare.
Why
Washington DC in March averages highs of 57°F, lows of 39°F, 10 rainy days.
That climate means sunglasses earns its space in the bag. Highs around 57°F — plenty of daylight glare.