Typically the average temperate in Vientiane right-through December is 20. Highs are expected to be 29 degrees with a low of 15. Discover more information below:
| Month | Degrees Celsius |
|---|---|
| Temperature | 20 |
| High Temperature | 29 |
| Low Temperature | 15 |
Useful Links: Vientiane Weather: Average Weather & Yearly Climate