Climate and Weather of Vientiane, Laos

In Laos you have several regions, one of which is called Vientiane. The most popular city in this region is Vientiane, whose climate data we'll examine to provide you with an overview of what weather to expect in Vientiane. For more detailed climate information about other cities in the area, please see the section beneath the map further down the page.

Year-round, Vientiane, especially Vientiane, sees high temperatures, with maximum averages consistently above 30°C.

Vientiane reaches its peak temperature in April, hitting 37°C, while January brings cooler conditions with daytime highs of 30°C.

March, April and May are generally the hottest months of the year.

When it comes to rainfall, Vientiane sees significant variations throughout the year. August tends to be the wettest, receiving 399 mm of rain, while December is much drier with just 10 mm. Travelers should note that the rainy season falls during May, June, July, August and September, bringing substantial precipitation ranging from 266 mm to 399 mm monthly. The period of January, February and December is the driest, with precipitation levels below 18 mm.

December is the sunniest period, with ideal conditions for exploring the region and all it has to offer.

Select a Month of Interest

Check the conditions for any month of the year.

Interested in the detailed Weather and Climate of Vientiane, Laos?

Please select a city below the map you wish to travel to, or the one closest to your destination. Each selected city will show you the following graphs:
1. Average minimum and maximum temperature over the year
2. Average monthly precipitation over the year (rainfall, snow)
3. Average monthly hours of sunshine over the year
On certain pages we also offer other historical climate data like humidity wind speed and water temperature.