What should I wear when traveling to Sapporo (Hokkaido), Japan in August?

The average temperature in Sapporo (Hokkaido) in August is 19℃~26℃. The average daytime temperature is 26°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 19°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 Sapporo (Hokkaido) in August are Osaka (Osaka) (33℃), Fukuoka (32℃), Nagoya (Aichi Prefecture) (33℃), and Naha (Okinawa) (32℃) . The cities with the lowest average daily temperatures in Sapporo (Hokkaido) in August are Osaka (Osaka) (25℃), Fukuoka (25℃), Nagoya (Aichi Prefecture) (24℃), and Naha (Okinawa) (27℃) .