Yokohama weather in May
May in Yokohama: nice, rainy, with very humid — one of the best months to visit.
#1 of 12 months in Yokohama · #403 of 897 destinations to visit in May · comfort 84/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
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Yokohama climate normals — May
| Daytime high | 21°C / 69°F | 😎 nice |
|---|---|---|
| Nighttime low | 15°C / 60°F | |
| Rainfall | 117 mm / 4.6 in | 🌧 rainy |
| Rainy days | 13 days | |
| Humidity | 79% | 💦 very humid |
| Dew point | 14°C / 57°F | |
| Sunshine | 8.7 h/day | |
| Daylight | 14 h | |
| Wind | 26 km/h / 16 mph | |
| Air quality (US AQI) | 75 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Yokohama in May — FAQ
- Is May a good time to visit Yokohama?
- May in Yokohama: nice, rainy, with very humid — one of the best months to visit. It ranks #1 of 12 months for Yokohama on SeasonMap's comfort score (84/100).
- What is the weather like in Yokohama in May?
- In May, Yokohama averages a daily high of 20.5°C and a low of 15.4°C, with about 116.9 mm of rain over roughly 12.6 rainy days.
- What is the air quality in Yokohama in May?
- Yokohama has a mean US Air Quality Index of about 75 in May.