Vang Vieng weather in May
May in Vang Vieng: sweltering, soaked, with very humid — a fair time to visit.
#9 of 12 months in Vang Vieng · #582 of 604 destinations to visit in May · comfort 51/100 (tier D)
Updated June 2026 · climate normals from ERA5 reanalysis
Vang Vieng climate normals — May
| Daytime high | 32°C / 90°F | 🔥 sweltering |
|---|---|---|
| Nighttime low | 25°C / 76°F | |
| Feels like (high) | 38°C / 100°F | |
| Rainfall | 174 mm / 6.8 in | ⛈ soaked |
| Rainy days | 21 days | |
| Humidity | 79% | 💦 very humid |
| Dew point | 23°C / 73°F | |
| Sunshine | 9.7 h/day | |
| Daylight | 13 h | |
| Wind | 7 km/h / 4 mph | |
| Air quality (US AQI) | 81 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Vang Vieng in May — FAQ
- Is May a good time to visit Vang Vieng?
- May in Vang Vieng: sweltering, soaked, with very humid — a fair time to visit. It ranks #9 of 12 months for Vang Vieng on SeasonMap's comfort score (51/100).
- What is the weather like in Vang Vieng in May?
- In May, Vang Vieng averages a daily high of 32.2°C and a low of 24.5°C, with about 173.8 mm of rain over roughly 21.2 rainy days.
- What is the air quality in Vang Vieng in May?
- Vang Vieng has a mean US Air Quality Index of about 81 in May.