Pack or skip
Umbrella for Busan in December
Verdict
Optional
About 5 rainy days — bring a compact umbrella if you have room.
Why
Busan in December averages highs of 50°F, lows of 37°F, 5 rainy days.
That climate makes an umbrella a judgment call. About 5 rainy days — bring a compact umbrella if you have room.