Tokyo weather in May
May in Tokyo: nice, rainy, with very humid — one of the best months to visit.
#1 of 12 months in Tokyo · #214 of 604 destinations to visit in May · comfort 85/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Tokyo climate normals — May
| Daytime high | 22°C / 72°F | 😎 nice |
|---|---|---|
| Nighttime low | 15°C / 58°F | |
| Feels like (high) | 22°C / 72°F | |
| Rainfall | 110 mm / 4.3 in | 🌧 rainy |
| Rainy days | 14 days | |
| Humidity | 78% | 💦 very humid |
| Dew point | 14°C / 56°F | |
| Sunshine | 8.8 h/day | |
| Daylight | 14.1 h | |
| Wind | 23 km/h / 14 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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Tokyo in May — FAQ
- Is May a good time to visit Tokyo?
- May in Tokyo: nice, rainy, with very humid — one of the best months to visit. It ranks #1 of 12 months for Tokyo on SeasonMap's comfort score (85/100).
- What is the weather like in Tokyo in May?
- In May, Tokyo averages a daily high of 22°C and a low of 14.7°C, with about 109.7 mm of rain over roughly 13.8 rainy days.
- What is the air quality in Tokyo in May?
- Tokyo has a mean US Air Quality Index of about 75 in May.