Pack or skip
Sunscreen for Michigan City in April
Verdict
Pack it
Sun still finds you at 58°F — UV doesn't care about temperature.
Why
Michigan City in April averages highs of 58°F, lows of 39°F, 8 rainy days.
That climate means sunscreen earns its space in the bag. Sun still finds you at 58°F — UV doesn't care about temperature.