Pack or skip
Insect repellent for Seoul in May
Verdict
Pack it
Warm (73°F) plus 9 rainy days = mosquito conditions.
Why
Seoul in May averages highs of 73°F, lows of 56°F, 9 rainy days.
That climate means insect repellent earns its space in the bag. Warm (73°F) plus 9 rainy days = mosquito conditions.