Pack or skip
Packable down jacket for Juneau in January
Verdict
Pack it
Lows around 24°F — the packable puffer covers 90% of layering needs.
Why
Juneau in January averages highs of 34°F, lows of 24°F, 18 rainy days.
That climate means a packable down jacket earns its space in the bag. Lows around 24°F — the packable puffer covers 90% of layering needs.