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.

Best time to visit Vientiane

Q: When is the best time to visit Vientiane?

The best time to visit Vientiane is January and December based on the following average weather conditions. Maximum daytime temperature = 22 - 30°C. Daily hours of sunshine = 10 hours or more.

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Vientiane by month

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

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When is the best time to visit Vientiane?

The best time to visit Vientiane is January and December based on the following average weather conditions.

Maximum daytime temperature = 22 - 30°C [remove]
Daily hours of sunshine = 10 hours or more [remove]

Change the criteria to reflect your weather preferences.

4
Jan
3
Feb
2
Mar
2
Apr
1.5
May
1.5
Jun
1.5
Jul
1.5
Aug
1.5
Sep
3.5
Oct
4
Nov
4
Dec

Change criteria

Max Day Temperature (°C)

29
Jan
32
Feb
35
Mar
36
Apr
34
May
33
Jun
32
Jul
32
Aug
32
Sep
31
Oct
30
Nov
29
Dec

Hours of Sunshine (daily)

8
Jan
8
Feb
8
Mar
8
Apr
7
May
5
Jun
5
Jul
5
Aug
5
Sep
8
Oct
8
Nov
8
Dec

Best time to visit

Destination

Daytime temperature

Sunshine hours

Sea temperature

Monthly rainfall

Days with some rain

Heat & humidity

The weather guide for Laos (Vientiane) 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.

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