Pack or skip
Sunscreen for Hilo in April
Verdict
Pack it
Sun still finds you at 80°F — UV doesn't care about temperature.
Why
Hilo in April averages highs of 80°F, lows of 63°F, 17 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.