Pack or skip
Sunscreen for Valletta in October
Verdict
Pack it
Sun still finds you at 77°F — UV doesn't care about temperature.
Why
Valletta in October averages highs of 77°F, lows of 68°F, 5 rainy days.
That climate means sunscreen earns its space in the bag. Sun still finds you at 77°F — UV doesn't care about temperature.