Pack or skip
Sunscreen for Valletta in July
Verdict
Pack it
Sun still finds you at 90°F — UV doesn't care about temperature.
Why
Valletta in July averages highs of 90°F, lows of 76°F, 0 rainy days.
That climate means sunscreen earns its space in the bag. Sun still finds you at 90°F — UV doesn't care about temperature.