Pack or skip
Packable down jacket for Michigan Center in December
Verdict
Pack it
Lows around 22°F — the packable puffer covers 90% of layering needs.
Why
Michigan Center in December averages highs of 35°F, lows of 22°F, 15 rainy days.
That climate means a packable down jacket earns its space in the bag. Lows around 22°F — the packable puffer covers 90% of layering needs.