Pack or skip
Sunglasses for Mexico City in January
Verdict
Pack it
Highs around 72°F — plenty of daylight glare.
Why
Mexico City in January averages highs of 72°F, lows of 45°F, 3 rainy days.
That climate means sunglasses earns its space in the bag. Highs around 72°F — plenty of daylight glare.