Hualien weather in May
May in Hualien: warm, soaked, with clean air — a gamble, with 29 rainy days.
#8 of 12 months in Hualien · #807 of 897 destinations to visit in May · comfort 61/100 (tier C)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Hualien in May
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Hualien climate normals — May
| Daytime high | 26°C / 80°F | 🌤 warm |
|---|---|---|
| Nighttime low | 22°C / 71°F | |
| Rainfall | 416 mm / 16.4 in | ⛈ soaked |
| Rainy days | 29 days | |
| Humidity | 89% | 💦 very humid |
| Dew point | 21°C / 70°F | |
| Sunshine | 7.6 h/day | |
| Daylight | 13.3 h | |
| Wind | 7 km/h / 4 mph | |
| Air quality (US AQI) | 45 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Hualien in May — FAQ
- Is May a good time to visit Hualien?
- May in Hualien: warm, soaked, with clean air — a gamble, with 29 rainy days. It ranks #8 of 12 months for Hualien on SeasonMap's comfort score (61/100).
- What is the weather like in Hualien in May?
- In May, Hualien averages a daily high of 26.4°C and a low of 21.7°C, with about 416.1 mm of rain over roughly 29.4 rainy days.
- What is the air quality in Hualien in May?
- Hualien has a mean US Air Quality Index of about 45 in May.