Pack or skip
Winter coat for Denver in January
Verdict
Pack it
Average lows dip to 16°F — a real winter coat, not a jacket.
Why
Denver in January averages highs of 45°F, lows of 16°F, 6 rainy days.
That climate means a winter coat earns its space in the bag. Average lows dip to 16°F — a real winter coat, not a jacket.