Pack or skip
Sunglasses for Tucson in May
Verdict
Pack it
Highs around 91°F — plenty of daylight glare.
Why
Tucson in May averages highs of 91°F, lows of 61°F, 2 rainy days.
That climate means sunglasses earns its space in the bag. Highs around 91°F — plenty of daylight glare.