Weather Conditions on Okinawa

As a tropical place Okinawa is hot and enjoys above 20 degrees Celsius for most of the year. Water temperature in Okinawa is much higher in winter months than in the mainland of Japan. In Okinawa, the seawater temperature is at the lowest level in January to February at about 20 degrees Celsius, while the temperature in April in mainland Japan is as warm as that in the breeding season in Okinawa.

AvarageTemperatures in Naha, Okinawa:

Spring (April): 21.3 degrees Celsius
Summer (July): 30.0 degrees Celsius
Autumn (October): 25.1 degrees Celsius
Winter (January): 17.2 degrees Celsius