Pack or skip
Insect repellent for Busan in June
Verdict
Pack it
Warm (75°F) plus 10 rainy days = mosquito conditions.
Why
Busan in June averages highs of 75°F, lows of 63°F, 10 rainy days.
That climate means insect repellent earns its space in the bag. Warm (75°F) plus 10 rainy days = mosquito conditions.