Okinawa weather in August
August in Okinawa: hot, soaked, with clean air — a great time to visit.
#5 of 12 months in Okinawa · #374 of 604 destinations to visit in August · comfort 74/100 (tier B)
Updated June 2026 · climate normals from ERA5 reanalysis
Okinawa climate normals — August
| Daytime high | 29°C / 84°F | 🥵 hot |
|---|---|---|
| Nighttime low | 27°C / 80°F | |
| Feels like (high) | 33°C / 91°F | |
| Rainfall | 246 mm / 9.7 in | ⛈ soaked |
| Rainy days | 15 days | |
| Humidity | 82% | 💦 very humid |
| Dew point | 25°C / 76°F | |
| Sunshine | 10.4 h/day | |
| Daylight | 13 h | |
| Wind | 31 km/h / 19 mph | |
| Air quality (US AQI) | 45 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Okinawa in August — FAQ
- Is August a good time to visit Okinawa?
- August in Okinawa: hot, soaked, with clean air — a great time to visit. It ranks #5 of 12 months for Okinawa on SeasonMap's comfort score (74/100).
- What is the weather like in Okinawa in August?
- In August, Okinawa averages a daily high of 28.7°C and a low of 26.9°C, with about 245.9 mm of rain over roughly 14.6 rainy days.
- What is the air quality in Okinawa in August?
- Okinawa has a mean US Air Quality Index of about 45 in August.