Suzhou weather in May
May in Suzhou: warm, rainy, with poor air quality — fine if you can take poor air.
#3 of 12 months in Suzhou · #480 of 897 destinations to visit in May · comfort 82/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Suzhou in May
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Suzhou climate normals — May
| Daytime high | 25°C / 78°F | 🌤 warm |
|---|---|---|
| Nighttime low | 18°C / 64°F | |
| Rainfall | 114 mm / 4.5 in | 🌧 rainy |
| Rainy days | 11 days | |
| Humidity | 73% | 💧 humid |
| Dew point | 15°C / 60°F | |
| Sunshine | 8.3 h/day | |
| Daylight | 13.8 h | |
| Wind | 20 km/h / 13 mph | |
| Air quality (US AQI) | 109 | 😷 poor |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Suzhou in May — FAQ
- Is May a good time to visit Suzhou?
- May in Suzhou: warm, rainy, with poor air quality — fine if you can take poor air. It ranks #3 of 12 months for Suzhou on SeasonMap's comfort score (82/100).
- What is the weather like in Suzhou in May?
- In May, Suzhou averages a daily high of 25.3°C and a low of 17.8°C, with about 113.5 mm of rain over roughly 10.6 rainy days.
- What is the air quality in Suzhou in May?
- Suzhou has a mean US Air Quality Index of about 109 in May.