Pack or skip
Sunscreen for Mexico City in May
Verdict
Pack it
Sun still finds you at 78°F — UV doesn't care about temperature.
Why
Mexico City in May averages highs of 78°F, lows of 53°F, 10 rainy days.
That climate means sunscreen earns its space in the bag. Sun still finds you at 78°F — UV doesn't care about temperature.