Pack or skip
Sunscreen for Osaka in February
Verdict
Pack it
Sun still finds you at 50°F — UV doesn't care about temperature.
Why
Osaka in February averages highs of 50°F, lows of 36°F, 7 rainy days.
That climate means sunscreen earns its space in the bag. Sun still finds you at 50°F — UV doesn't care about temperature.