Pack or skip
Sunglasses for Mexico City in October
Verdict
Pack it
Highs around 72°F — plenty of daylight glare.
Why
Mexico City in October averages highs of 72°F, lows of 50°F, 10 rainy days.
That climate means sunglasses earns its space in the bag. Highs around 72°F — plenty of daylight glare.