Pack or skip
Beanie for Seoul in December
Verdict
Pack it
Lows around 24°F — a beanie doubles the perceived warmth for zero grams.
Why
Seoul in December averages highs of 38°F, lows of 24°F, 5 rainy days.
That climate means a beanie earns its space in the bag. Lows around 24°F — a beanie doubles the perceived warmth for zero grams.