Pack or skip
Winter coat for Louisville in December
Verdict
Pack it
Average lows dip to 31°F — a real winter coat, not a jacket.
Why
Louisville in December averages highs of 46°F, lows of 31°F, 11 rainy days.
That climate means a winter coat earns its space in the bag. Average lows dip to 31°F — a real winter coat, not a jacket.