VISIT OKINAWA JAPAN Official Okinawa Travel Guide

Overview of Okinawa

Okinawa Prefecture

One of the 47 prefectures of Japan. It is comprised of over 160 islands, 47 of which are inhabited remote islands. *As of January 2018
Administration of the prefecture is divided among 11 cities, 11 towns, and 19 villages.



Approx. 1.44 million people     *As of May 2018

Total Land Area

2281.12㎢      *As of October 2015

Prefectural Capital

Naha City

Home to the Okinawa Prefectural Office, Naha Airport, commuter and freight ports, and more. The area surrounding Naha City contains urban area, and it serves as the cultural and economic capital of Okinawa. It is small in size, but has the largest population in the prefecture.



Japanese is the main language in Okinawa, but English is understood at many tourist facilities and hotels.


The Okinawan Islands are surrounded by the East China Sea and the Pacific Ocean, and consist of the Miyako Islands, Yaeyama Islands, and others. Their location provides convenient access to the mainland Japan and several regions throughout Asia.

Climate (Subtropical/Oceanic climate)


Okinawa is warm and comfortable throughout the year. In Naha, the average temperature in July, the hottest month, is 28.9 ℃. Because it is surrounded by the sea, temperatures rarely reach 35 ℃ and above, unlike in other areas of Japan. In January, the coldest month, the average temperature is 17.0 ℃.


Seasonal Changes

The rainy season starts in May with heavy precipitation during this period. However, once the rainy season ends in late June, it gets hot and sunny. The peak of summer lasts in August and September as typical Okinawan weather, but this is also typhoon season and caution is required. Beginning in October, the heat lets up and the weather is quite pleasant. As winter approaches around December, it gets cold but it never snows. Okinawa’s winters sometimes have strong winds and please be sure to guard against the cold. It gets warmer in March, but there are still some chilly days, so keep a jacket handy.


Yen (円)

Basics for Travelers : Currency and currency exchange


Okinawa Prefecture “Okinawano-Sugata: An Overview of the Prefecture’s Appeal” (

Website of the Okinawa Regional Headquarters of the Japan Meteorological Agency(