Pack or skip
Flip-flops for Hilo in April
Verdict
Optional
Warm enough to wear in the evening or on the beach; not on a city walking day.
Why
Hilo in April averages highs of 80°F, lows of 63°F, 17 rainy days.
That climate makes flip-flops a judgment call. Warm enough to wear in the evening or on the beach; not on a city walking day.