Pack or skip
Beanie for Seoul in January
Verdict
Pack it
Lows around 21°F — a beanie doubles the perceived warmth for zero grams.
Why
Seoul in January averages highs of 36°F, lows of 21°F, 6 rainy days.
That climate means a beanie earns its space in the bag. Lows around 21°F — a beanie doubles the perceived warmth for zero grams.