Pack or skip
Scarf for Portland in December
Verdict
Pack it
Lows around 37°F — a scarf traps warmth at the neck for zero bulk.
Why
Portland in December averages highs of 46°F, lows of 37°F, 17 rainy days.
That climate means a scarf earns its space in the bag. Lows around 37°F — a scarf traps warmth at the neck for zero bulk.