Pack or skip
Beanie for Pittsburgh in December
Verdict
Pack it
Lows around 25°F — a beanie doubles the perceived warmth for zero grams.
Why
Pittsburgh in December averages highs of 39°F, lows of 25°F, 15 rainy days.
That climate means a beanie earns its space in the bag. Lows around 25°F — a beanie doubles the perceived warmth for zero grams.