Pack or skip
Sunglasses for Lucerne in August
Verdict
Pack it
Highs around 73°F — plenty of daylight glare.
Why
Lucerne in August averages highs of 73°F, lows of 56°F, 12 rainy days.
That climate means sunglasses earns its space in the bag. Highs around 73°F — plenty of daylight glare.