Pack or skip
Sunscreen for Michigan Center in May
Verdict
Pack it
Sun still finds you at 70°F — UV doesn't care about temperature.
Why
Michigan Center in May averages highs of 70°F, lows of 48°F, 13 rainy days.
That climate means sunscreen earns its space in the bag. Sun still finds you at 70°F — UV doesn't care about temperature.