Pack or skip
Sunglasses for San Antonio in March
Verdict
Pack it
Highs around 74°F — plenty of daylight glare.
Why
San Antonio in March averages highs of 74°F, lows of 51°F, 8 rainy days.
That climate means sunglasses earns its space in the bag. Highs around 74°F — plenty of daylight glare.