Vientiane weather

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Usually in January
- 29
- 16
- 8
Weather by month
Now Today
- 31
- 11
5-day forecast

Recommended for Laos

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

The weather guide for Vientiane, Laos shows long term weather averages processed from data supplied by CRU (University of East Anglia) & today's weather forecast provided by MeteoBlue. Find out more about our data sources.

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Which is the hottest month in Vientiane?

The hottest time of year in Vientiane is normally April. Expect maximum daytime temperatures to reach 36°C with very high heat and humidity.

Which month has the most rain in Vientiane?

In terms of rainfall, August is usually the wettest month in Vientiane with 332mm on average. There are normally 24 days in August with some rain.

When is it sunniest in Vientiane?

The sunniest time of year in Vientiane is normally December with bright sunshine on average for 75% of daylight hours; that's 8 hours of sunshine per day.

Metric (°C / mm) | Imperial (°F / inches)

Compare Vientiane weather with the USA

Below the Vientiane weather chart shows average maximum daytime temperature for Vientiane, Laos and the USA (Washington).

Maximum daytime temperature (°C)

Vientiane, Laos

USA (Washington)

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Metric (°C / mm) | Imperial (°F / inches)

Compare more Vientiane weather >>

Tropical storm risk: Vientiane, Laos typhoon season

% of month affected by tropical storms

<1%

1.8%

2.7%

3.9%

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

The Vientiane, Laos tropical storm risk chart above shows the typhoon season. The chart was processed from data supplied by the US Meteorological Agency (NOAA). Find out more about our data sources.

More about tropical storms

Where's hot in Laos right now?

Below are the temperatures expected today at popular destinations in Laos. Select a destination to compare today's forecast with average weather conditions.