Pack or skip
Insect repellent for Busan in April
Verdict
Optional
Borderline conditions — a travel-size deet stick is cheap insurance.
Why
Busan in April averages highs of 62°F, lows of 48°F, 8 rainy days.
That climate makes insect repellent a judgment call. Borderline conditions — a travel-size deet stick is cheap insurance.