weather in naha, okinawa fahrenheit
Climate & Temperature > Japan > Naha, Okinawa Climate > Average Temperatures. The annual mean temperature in Naha, Okinawa, Japan is really warm at 22.4 degrees Celsius (72.3 degrees Fahrenheit). There is a variation of mean monthly temperatures of 12.3 C (22.1F) which is a low range. The range/ variation of daily average temperatures is 5 C (9 F).