Traveling in Japan, what is the weather like throughout the year?

The average monthly temperature in Japan is 2℃ ~ 9℃. The weather is cold, with an average daytime temperature of 9℃. It is recommended to wear warm clothes such as suits, jackets, windbreakers, casual clothes, jackets, suits, thin sweaters, etc. , the average nighttime temperature is 2℃. It is recommended to wear warm clothes such as windbreakers, coats, parkas, coats, sweaters, woolen suits, suits, and cold-proof clothing.

The cities with the highest daily average temperatures in Japan are Osaka (Osaka) (( 32℃)), Fukuoka (( 31℃)), Nagoya (Aichi Prefecture) (( 31℃)), Naha (Okinawa) (( 32℃)),

The cities with the lowest daily average temperatures in Japan are Osaka (Osaka) (( 3℃)), Fukuoka (( 4℃)), Nagoya (Aichi Prefecture) (( 1℃)), Naha (Okinawa) (( 15℃))