Pack or skip
Beanie for Santo Domingo in December
Verdict
Skip it
Lows near 70°F — no scenario where you'll want one.
Why
Santo Domingo in December averages highs of 84°F, lows of 70°F, 6 rainy days.
That climate means a beanie isn't pulling its weight. Lows near 70°F — no scenario where you'll want one.