Ishigaki weather in August
August in Ishigaki: hot, soaked, with clean air — fine if you can take 19 rainy days.
#7 of 12 months in Ishigaki · #605 of 897 destinations to visit in August · comfort 73/100 (tier B)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Ishigaki in August
No notes yet. Open Ishigaki on the map to add the first one.
Ishigaki climate normals — August
| Daytime high | 30°C / 85°F | 🥵 hot |
|---|---|---|
| Nighttime low | 28°C / 82°F | |
| Rainfall | 251 mm / 9.9 in | ⛈ soaked |
| Rainy days | 19 days | |
| Humidity | 81% | 💦 very humid |
| Dew point | 25°C / 77°F | |
| Sunshine | 10.5 h/day | |
| Daylight | 13 h | |
| Wind | 29 km/h / 18 mph | |
| Air quality (US AQI) | 37 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is Ishigaki?
Loading map…
Ishigaki in August — FAQ
- Is August a good time to visit Ishigaki?
- August in Ishigaki: hot, soaked, with clean air — fine if you can take 19 rainy days. It ranks #7 of 12 months for Ishigaki on SeasonMap's comfort score (73/100).
- What is the weather like in Ishigaki in August?
- In August, Ishigaki averages a daily high of 29.6°C and a low of 27.6°C, with about 251.4 mm of rain over roughly 19.2 rainy days.
- What is the air quality in Ishigaki in August?
- Ishigaki has a mean US Air Quality Index of about 37 in August.