Pack or skip
Packable down jacket for Lucerne in May
Verdict
Pack it
Lows around 47°F — the packable puffer covers 90% of layering needs.
Why
Lucerne in May averages highs of 64°F, lows of 47°F, 13 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.