Pack or skip
Sunscreen for Cartagena in March
Verdict
Pack it
Sun still finds you at 90°F — UV doesn't care about temperature.
Why
Cartagena in March averages highs of 90°F, lows of 77°F, 4 rainy days.
That climate means sunscreen earns its space in the bag. Sun still finds you at 90°F — UV doesn't care about temperature.