Pack or skip
Sunscreen for Valletta in May
Verdict
Pack it
Sun still finds you at 73°F — UV doesn't care about temperature.
Why
Valletta in May averages highs of 73°F, lows of 63°F, 2 rainy days.
That climate means sunscreen earns its space in the bag. Sun still finds you at 73°F — UV doesn't care about temperature.