What should I pay attention to when traveling to Tokyo, Japan in May?

Average temperature in Tokyo in May 15℃~23℃. The average temperature during the day is 23℃. It is recommended to wear cool and breathable clothes, such as shirts, thin long skirts and thin T-shirts made of cotton and linen. The average temperature at night is 65438 05℃. It is recommended to wear warm clothes such as suits, jackets, coats, suits and thin sweaters. The cities with the highest daily average temperature in Tokyo in May are Osaka (24℃), Fukuoka (24℃), Nagoya (Aichi) (24℃) and Naha (Okinawa) (27℃). The cities with the lowest daily average temperature in Tokyo in May are Osaka (16℃), Fukuoka (16℃), Nagoya (Aichi Prefecture) (14℃) and Naha (Okinawa) (22℃).