Fukuoka weather in August
August in Fukuoka: sweltering, soaked, with very humid — a fair time to visit.
#11 of 12 months in Fukuoka · #549 of 604 destinations to visit in August · comfort 50/100 (tier D)
Updated June 2026 · climate normals from ERA5 reanalysis
Fukuoka climate normals — August
| Daytime high | 31°C / 87°F | 🔥 sweltering |
|---|---|---|
| Nighttime low | 25°C / 77°F | |
| Feels like (high) | 36°C / 97°F | |
| Rainfall | 322 mm / 12.7 in | ⛈ soaked |
| Rainy days | 18 days | |
| Humidity | 83% | 💦 very humid |
| Dew point | 25°C / 76°F | |
| Sunshine | 9.2 h/day | |
| Daylight | 13.4 h | |
| Wind | 13 km/h / 8 mph | |
| Air quality (US AQI) | 54 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Fukuoka in August — FAQ
- Is August a good time to visit Fukuoka?
- August in Fukuoka: sweltering, soaked, with very humid — a fair time to visit. It ranks #11 of 12 months for Fukuoka on SeasonMap's comfort score (50/100).
- What is the weather like in Fukuoka in August?
- In August, Fukuoka averages a daily high of 30.8°C and a low of 25.1°C, with about 322.3 mm of rain over roughly 18.2 rainy days.
- What is the air quality in Fukuoka in August?
- Fukuoka has a mean US Air Quality Index of about 54 in August.