Pack or skip
Sunglasses for Busan in October
Verdict
Pack it
Highs around 69°F — plenty of daylight glare.
Why
Busan in October averages highs of 69°F, lows of 56°F, 7 rainy days.
That climate means sunglasses earns its space in the bag. Highs around 69°F — plenty of daylight glare.