Xiamen weather in May
May in Xiamen: warm, soaked, with very humid — fine if you can take 19 rainy days.
#8 of 12 months in Xiamen · #772 of 897 destinations to visit in May · comfort 65/100 (tier C)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Xiamen in May
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Xiamen climate normals — May
| Daytime high | 27°C / 81°F | 🌤 warm |
|---|---|---|
| Nighttime low | 22°C / 71°F | |
| Rainfall | 197 mm / 7.8 in | ⛈ soaked |
| Rainy days | 19 days | |
| Humidity | 83% | 💦 very humid |
| Dew point | 20°C / 67°F | |
| Sunshine | 7.8 h/day | |
| Daylight | 13.3 h | |
| Wind | 15 km/h / 9 mph | |
| Air quality (US AQI) | 87 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Xiamen in May — FAQ
- Is May a good time to visit Xiamen?
- May in Xiamen: warm, soaked, with very humid — fine if you can take 19 rainy days. It ranks #8 of 12 months for Xiamen on SeasonMap's comfort score (65/100).
- What is the weather like in Xiamen in May?
- In May, Xiamen averages a daily high of 27°C and a low of 21.7°C, with about 197 mm of rain over roughly 18.6 rainy days.
- What is the air quality in Xiamen in May?
- Xiamen has a mean US Air Quality Index of about 87 in May.