Pack or skip
Rain jacket for Osaka in December
Verdict
Pack it
Around 6 rainy days — a shell keeps you moving between subway stops.
Why
Osaka in December averages highs of 52°F, lows of 39°F, 6 rainy days.
That climate means a rain jacket earns its space in the bag. Around 6 rainy days — a shell keeps you moving between subway stops.