August · Japan
Best time to visit Okinawa in August Weather, crowds & prices
Weather in Okinawa in August
Average temperature 29°C, 302 mm of rain, about 29 days with 6+ hours of sunshine and 82% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
August score
6.7/10
Ranked #6 of 12 months
- Avg temp
- 29°C
- Rainfall
- 302 mm
- Humidity
- 82%
- Days with 6h+ sun
- 29
- Crowd Density
- Peak Tourist Rush
- Average Expenses
- $$$ · Peak Season Rates ($$$)
August in Okinawa scores 6.7/10 for beach and coastal travel - an above-average month (#6 of 12). Expect around 29°C, 302 mm of rain, and roughly 29 days with 6+ hours of sunshine this month.
Okinawa's Ryukyu castles, coral reefs, and island ferries spread across a subtropical chain south of mainland Japan.
August in Okinawa: mixed conditions, plan around the weather
August averages 29°C (83°F) and humidity near 82%, so the practical pattern is early mornings, a long midday break, and evenings back outside.
302 mm makes this the wettest stretch of the year, though about 29 days with 6+ hours of sunshine still appear — keep an indoor fallback ready.
It scores 6.7/10 here, 6th of 12 months, against 7.3/10 in the destination's best month.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a proper rain shell rather than an umbrella.
Figure on peak pricing, with this is one of the busiest months here.
Frequently asked
- What is the weather like in Okinawa in August?
- In August, Okinawa averages 29°C, 302 mm of rain, and about 29 days with 6+ hours of sunshine. Its climate-comfort score is 6.7/10.
- Is August a good time to visit Okinawa?
- August earns a 6.7/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Okinawa in August?
- Expect about 302 mm of rain in August. Average humidity is 82% and there are about 29 days with 6+ hours of sunshine.
Curated in Okinawa
Tickets & experiences
Things to do in Okinawa
Okinawa, Japan. Live activities and tours from GetYourGuide, matched to this destination.