Pack or skip
Winter coat for Ljubljana in December
Verdict
Pack it
Average lows dip to 28°F — a real winter coat, not a jacket.
Why
Ljubljana in December averages highs of 37°F, lows of 28°F, 9 rainy days.
That climate means a winter coat earns its space in the bag. Average lows dip to 28°F — a real winter coat, not a jacket.