Vientiane weather in October
October in Vientiane: sweltering, rainy, with clean air — a good time to visit.
#6 of 12 months in Vientiane · #474 of 604 destinations to visit in October · comfort 65/100 (tier C)
Updated June 2026 · climate normals from ERA5 reanalysis
Vientiane climate normals — October
| Daytime high | 30°C / 85°F | 🔥 sweltering |
|---|---|---|
| Nighttime low | 23°C / 73°F | |
| Feels like (high) | 35°C / 95°F | |
| Rainfall | 125 mm / 4.9 in | 🌧 rainy |
| Rainy days | 13 days | |
| Humidity | 79% | 💦 very humid |
| Dew point | 22°C / 71°F | |
| Sunshine | 9 h/day | |
| Daylight | 11.7 h | |
| Wind | 8 km/h / 5 mph | |
| Air quality (US AQI) | 50 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is Vientiane?
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Vientiane in October — FAQ
- Is October a good time to visit Vientiane?
- October in Vientiane: sweltering, rainy, with clean air — a good time to visit. It ranks #6 of 12 months for Vientiane on SeasonMap's comfort score (65/100).
- What is the weather like in Vientiane in October?
- In October, Vientiane averages a daily high of 29.6°C and a low of 22.9°C, with about 125 mm of rain over roughly 13 rainy days.
- What is the air quality in Vientiane in October?
- Vientiane has a mean US Air Quality Index of about 50 in October.