Pack or skip
Sunglasses for Osaka in August
Verdict
Pack it
Highs around 89°F — plenty of daylight glare.
Why
Osaka in August averages highs of 89°F, lows of 76°F, 9 rainy days.
That climate means sunglasses earns its space in the bag. Highs around 89°F — plenty of daylight glare.