What should I wear when traveling to South Korea in April?

The average temperature in April in South Korea is 8℃~18℃. The average daytime temperature 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 average temperature at night is 8°C. It is recommended to wear warm clothes such as suits, jackets, windbreakers, casual clothes, jackets, suits, and thin sweaters. The cities with the highest average daily temperatures in April in South Korea are Busan (18℃), Gwangju (19℃), Gangneung (18℃), and Jeju (17℃). The cities with the lowest average daily temperatures in April in South Korea are Busan (10℃), Gwangju (7℃), Gangneung (8℃), and Jeju (10℃).