Pack or skip
Scarf for Philadelphia in December
Verdict
Pack it
Lows around 29°F — a scarf traps warmth at the neck for zero bulk.
Why
Philadelphia in December averages highs of 45°F, lows of 29°F, 10 rainy days.
That climate means a scarf earns its space in the bag. Lows around 29°F — a scarf traps warmth at the neck for zero bulk.