Pack or skip
Sunglasses for Lucerne in May
Verdict
Pack it
Highs around 64°F — plenty of daylight glare.
Why
Lucerne in May averages highs of 64°F, lows of 47°F, 13 rainy days.
That climate means sunglasses earns its space in the bag. Highs around 64°F — plenty of daylight glare.