Pack or skip
Beanie for Vienna in December
Verdict
Pack it
Lows around 30°F — a beanie doubles the perceived warmth for zero grams.
Why
Vienna in December averages highs of 39°F, lows of 30°F, 11 rainy days.
That climate means a beanie earns its space in the bag. Lows around 30°F — a beanie doubles the perceived warmth for zero grams.