Pack or skip
Sunglasses for Mexico City in December
Verdict
Pack it
Highs around 71°F — plenty of daylight glare.
Why
Mexico City in December averages highs of 71°F, lows of 45°F, 3 rainy days.
That climate means sunglasses earns its space in the bag. Highs around 71°F — plenty of daylight glare.