Tokyo weather in August
August in Tokyo: sweltering, rainy, with very humid — a good time to visit.
#10 of 12 months in Tokyo · #457 of 604 destinations to visit in August · comfort 65/100 (tier C)
Updated June 2026 · climate normals from ERA5 reanalysis
Tokyo climate normals — August
| Daytime high | 31°C / 87°F | 🔥 sweltering |
|---|---|---|
| Nighttime low | 25°C / 76°F | |
| Feels like (high) | 35°C / 95°F | |
| Rainfall | 109 mm / 4.3 in | 🌧 rainy |
| Rainy days | 12 days | |
| Humidity | 81% | 💦 very humid |
| Dew point | 24°C / 74°F | |
| Sunshine | 10.1 h/day | |
| Daylight | 13.5 h | |
| Wind | 20 km/h / 12 mph | |
| Air quality (US AQI) | 63 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Tokyo in August — FAQ
- Is August a good time to visit Tokyo?
- August in Tokyo: sweltering, rainy, with very humid — a good time to visit. It ranks #10 of 12 months for Tokyo on SeasonMap's comfort score (65/100).
- What is the weather like in Tokyo in August?
- In August, Tokyo averages a daily high of 30.5°C and a low of 24.6°C, with about 109.3 mm of rain over roughly 12.2 rainy days.
- What is the air quality in Tokyo in August?
- Tokyo has a mean US Air Quality Index of about 63 in August.