Okinawa Weather in August
What's the weather like in Okinawa (Okinawa) in August 2025?
The climate in Okinawa during August can be summarized as very hot, humid and very wet.
August is in the summer in Okinawa and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around a steamy 31°C (88°F), whilst at night 25°C (78°F) is normal.
| Daytime temperature | 31°C 87.8°F |
|---|---|
| Nightly temperature | 25.4°C 77.7°F |
| Average temperature | 28.2°C 82.8°F |
| Daily sunshine | 7.9 hrs |
| Avg rainfall | 274 mm 10.8 ins |
| Rainy days | 22 days |
| Sea temperature | 29.1°C 84.3°F |
| Humidity | 82% |
| Windspeed | 14.8kph 9 mph |
On average August is the 2nd wettest month of the year in Okinawa with around 274mm 10.8 inches of rain making it a very wet time to visit. This rainfall is typically spread over 22 days, although this may vary considerably.
On the flip side this corresponds to an average of 7.9 hours of sunshine per day.
August temperatures in Okinawa
August rainfall
August hourly sunshine
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Okinawa in August 2025.
Other monthly averages
Best places to visit in August
Okinawa weather stats
| Hottest month: | July | 31.1°C 88°F |
|---|---|---|
| Driest month: | December | 113mm 4.4ins |
| Sunniest month: | July | 8.7hrs |
| Coldest month: | January | 18.5°C 65.3°F |
| Wettest month: | June | 279mm 11ins |
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