Will I be cold?
Will I be cold in Busan in August?
Verdict
No — No, comfortable.
Lows stay near 73°F — you won't be reaching for the puffer.
Day vs. night
Day
84°F
Hot
Prioritize shade, hydration, and a brim.
Night
73°F
Warm
Still warm enough for a T-shirt after dark.
Why
Busan in August averages highs of 84°F, lows of 73°F, 13 rainy days.
You can pack for the daytime temps and not worry about the evening dip.