Pack or skip
Winter coat for Milwaukee in December
Verdict
Pack it
Average lows dip to 19°F — a real winter coat, not a jacket.
Why
Milwaukee in December averages highs of 32°F, lows of 19°F, 11 rainy days.
That climate means a winter coat earns its space in the bag. Average lows dip to 19°F — a real winter coat, not a jacket.