Yokohama weather in August
August in Yokohama: warm, rainy, with very humid — a good time to visit.
#10 of 12 months in Yokohama · #668 of 897 destinations to visit in August · comfort 68/100 (tier C)
Updated June 2026 · climate normals from ERA5 reanalysis
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Yokohama climate normals — August
| Daytime high | 29°C / 84°F | 🌤 warm |
|---|---|---|
| Nighttime low | 25°C / 76°F | |
| Rainfall | 102 mm / 4 in | 🌧 rainy |
| Rainy days | 12 days | |
| Humidity | 85% | 💦 very humid |
| Dew point | 24°C / 75°F | |
| Sunshine | 10.2 h/day | |
| Daylight | 13.5 h | |
| Wind | 24 km/h / 15 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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Yokohama in August — FAQ
- Is August a good time to visit Yokohama?
- August in Yokohama: warm, rainy, with very humid — a good time to visit. It ranks #10 of 12 months for Yokohama on SeasonMap's comfort score (68/100).
- What is the weather like in Yokohama in August?
- In August, Yokohama averages a daily high of 28.7°C and a low of 24.7°C, with about 102.3 mm of rain over roughly 12.4 rainy days.
- What is the air quality in Yokohama in August?
- Yokohama has a mean US Air Quality Index of about 63 in August.