Vientiane weather in June
June in Vientiane: sweltering, soaked, with clean air — a fair time to visit.
#9 of 12 months in Vientiane · #552 of 604 destinations to visit in June · comfort 52/100 (tier D)
Updated June 2026 · climate normals from ERA5 reanalysis
Vientiane climate normals — June
| Daytime high | 32°C / 89°F | 🔥 sweltering |
|---|---|---|
| Nighttime low | 25°C / 77°F | |
| Feels like (high) | 38°C / 100°F | |
| Rainfall | 260 mm / 10.3 in | ⛈ soaked |
| Rainy days | 24 days | |
| Humidity | 82% | 💦 very humid |
| Dew point | 24°C / 76°F | |
| Sunshine | 9.4 h/day | |
| Daylight | 13.2 h | |
| Wind | 9 km/h / 5 mph | |
| Air quality (US AQI) | 43 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Vientiane in June — FAQ
- Is June a good time to visit Vientiane?
- June in Vientiane: sweltering, soaked, with clean air — a fair time to visit. It ranks #9 of 12 months for Vientiane on SeasonMap's comfort score (52/100).
- What is the weather like in Vientiane in June?
- In June, Vientiane averages a daily high of 31.5°C and a low of 25.2°C, with about 260.4 mm of rain over roughly 24.4 rainy days.
- What is the air quality in Vientiane in June?
- Vientiane has a mean US Air Quality Index of about 43 in June.