Is December suitable for traveling to Okinawa, Japan? How is the temperature?

December is a good time to travel to Okinawa, Japan. Okinawa Prefecture is the southernmost and westernmost county in Japan. It is adjacent to Kagoshima Prefecture and separated from Taiwan by the sea. It was called Ryukyu in ancient times and is known as Japan's Hawaii. It is the capital of Japan. Naha City is the only prefecture in Japan with subtropical temperatures. It is warm all year round and has a tropical maritime climate. The average temperature throughout the year is 23°C, and in winter it is around 20°C, making it very suitable for travel.