Pack or skip
Umbrella for Hilo in December
Verdict
Pack it
Around 22 rainy days across the month — an umbrella earns its space.
Why
Hilo in December averages highs of 79°F, lows of 62°F, 22 rainy days.
That climate means an umbrella earns its space in the bag. Around 22 rainy days across the month — an umbrella earns its space.