Pack or skip
Winter coat for Louisville in January
Verdict
Pack it
Average lows dip to 27°F — a real winter coat, not a jacket.
Why
Louisville in January averages highs of 42°F, lows of 27°F, 11 rainy days.
That climate means a winter coat earns its space in the bag. Average lows dip to 27°F — a real winter coat, not a jacket.