Pack or skip
Rain jacket for Hilo in May
Verdict
Pack it
Around 14 rainy days — a shell keeps you moving between subway stops.
Why
Hilo in May averages highs of 81°F, lows of 64°F, 14 rainy days.
That climate means a rain jacket earns its space in the bag. Around 14 rainy days — a shell keeps you moving between subway stops.