Pack or skip
Sunglasses for Lisbon in May
Verdict
Pack it
Highs around 72°F — plenty of daylight glare.
Why
Lisbon in May averages highs of 72°F, lows of 56°F, 6 rainy days.
That climate means sunglasses earns its space in the bag. Highs around 72°F — plenty of daylight glare.