Pack or skip
Sunscreen for Michigan Center in August
Verdict
Pack it
Sun still finds you at 80°F — UV doesn't care about temperature.
Why
Michigan Center in August averages highs of 80°F, lows of 60°F, 11 rainy days.
That climate means sunscreen earns its space in the bag. Sun still finds you at 80°F — UV doesn't care about temperature.