Pack or skip
Packable down jacket for Osaka in June
Verdict
Skip it
Lows around 67°F — you'll never reach for it.
Why
Osaka in June averages highs of 80°F, lows of 67°F, 12 rainy days.
That climate means a packable down jacket isn't pulling its weight. Lows around 67°F — you'll never reach for it.