What should I wear when traveling to Busan, South Korea in June?

The average temperature in Busan in June is 18℃~24℃. The average daytime temperature is 24°C. It is recommended to wear cool and breathable clothes such as cotton and linen shirts, thin long skirts, and thin T-shirts. The average temperature at night is 18°C. It is recommended to wear comfortable clothes such as short suits, T-shirts, thin jeans, casual clothes, and professional suits made of single-layer cotton and linen fabrics. The cities with the highest daily average temperatures in Busan in June are Gwangju (27℃), Gangneung (25℃), and Jeju (25℃). The cities with the lowest daily average temperatures in Busan in June are Gwangju (18℃), Gangneung (17℃), and Jeju (18℃).