Pack or skip
Beanie for London in January
Verdict
Pack it
Lows around 36°F — a beanie doubles the perceived warmth for zero grams.
Why
London in January averages highs of 46°F, lows of 36°F, 12 rainy days.
That climate means a beanie earns its space in the bag. Lows around 36°F — a beanie doubles the perceived warmth for zero grams.