Pack or skip
Winter coat for Lucerne in December
Verdict
Pack it
Average lows dip to 29°F — a real winter coat, not a jacket.
Why
Lucerne in December averages highs of 38°F, lows of 29°F, 12 rainy days.
That climate means a winter coat earns its space in the bag. Average lows dip to 29°F — a real winter coat, not a jacket.