Measurements:
°C
°F
Okinawa
70°F
SW 13 mph
Feels like: 70°F
Precip: 84%
World Resorts Japan Okinawa Weather August Weather in Okinawa

Okinawa Weather: August

Average Day Temperature: 91.1°F
Average Night Temperature: 85.3°F
Sea Water Temperature: 88.3°F
Number of Sunny Days: 9 days
Sunshine Hours: 12.7 - 13.4 hours
Number of Rainy Days: 10 days
Precipitation Totals: 9.4 in

Air Temperature in August, °F

Select Year: 2025 2024 2023

The highest day temperature in August 2025 was 92°F. The lowest night temperature was 81°F. The average values for day and night temperatures during August were 89.4°F и 83.7°F respectivly.

Okinawa Water Sea Temperature in August, °F

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for Okinawa was 89.3°F. The maximum and minimum values were 88.6°F and 90.2°F respectively.

Sunny, Cloudy and Gloomy days

You can expect various weather conditions during August. Be ready for sunny, cloudy or even gloomy days.

Precipitation Totals in August, in

Precipitation total in August for Okinawa is 9.4 in. It makes august one of the most rainy months of the year.

Wind Speed in August, mph

The average wind speed in August is 12.3 mph.

Average Sunny Hours Per Day

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Okinawa in August is 6.9 hours.

Best Time to Visit Okinawa
The most sunny months:
August 9 days
July 8 days
September 7 days
The most warm months:
August 91.1 °F
July 90.8 °F
September 89.3 °F
Warmest sea temperature:
August 88.4 °F
September 87.6 °F
July 87.4 °F
The most cold months:
January 66.2 °F
February 67.4 °F
December 70.0 °F
The most rainy months:
June 13 days
May 10 days
August 10 days
The most windy months:
December 16 mph
January 14 mph
October 14 mph

Okinawa on the Weather Map

Japan Resorts:
NAME
Atami +50
Fukuoka +46
Hakone +52
Hiroshima +46
Kamakura +54
Kobe +48
Kyoto +46
Nagasaki +50
Nagoya +48
Nara +48
Okinawa +70
Osaka +50
Sapporo +28
Tokyo +54
Yokohama +54
24 Hours Weather Forecast
Okinawa
Local time: 15:42
05 dec, friday
1800 66°F
SW
12 mph
2100 66°F
SW
11 mph
06 dec, saturday
0000 64°F
SW
11 mph
0300 66°F
SW
9 mph
0600 68°F
SW
9 mph
0900 68°F
SW
11 mph
1200 72°F
SW
11 mph
1500 72°F
SW
10 mph