Pack or skip
Packable down jacket for Juneau in June
Verdict
Pack it
Lows around 47°F — the packable puffer covers 90% of layering needs.
Why
Juneau in June averages highs of 61°F, lows of 47°F, 15 rainy days.
That climate means a packable down jacket earns its space in the bag. Lows around 47°F — the packable puffer covers 90% of layering needs.