Pack or skip
Winter coat for Hilo in August
Verdict
Skip it
Lows stay near 66°F — a coat is overkill.
Why
Hilo in August averages highs of 82°F, lows of 66°F, 15 rainy days.
That climate means a winter coat isn't pulling its weight. Lows stay near 66°F — a coat is overkill.