Pack or skip
Packable down jacket for Busan in July
Verdict
Skip it
Lows around 70°F — you'll never reach for it.
Why
Busan in July averages highs of 81°F, lows of 70°F, 14 rainy days.
That climate means a packable down jacket isn't pulling its weight. Lows around 70°F — you'll never reach for it.