Climate in Vientiane (Vientiane), Laos

The graphs below show the monthly weather averages over the year.

Average day and night temperature

The mean minimum and maximum temperatures over the year. Show in Fahrenheit

Average min and max temperatures in Vientiane, Laos   Copyright © 2022  weather-and-climate.com

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Monthly hours of sunshine

The average monthly total hours of sunshine over the year

Average monthly sunhours in Vientiane, Laos   Copyright © 2022  weather-and-climate.com

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Monthly precipitation

The mean monthly precipitation over the year, including rain, snow, hail etc. Show in Inches

Average precipitation (rain/snow) in Vientiane, Laos   Copyright © 2022  weather-and-climate.com

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Monthly rainy days

The average number of days each month with rain, snow, hail etc.

Average rainy days (rain/snow) in Vientiane, Laos   Copyright © 2022  weather-and-climate.com

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Average humidity

The mean monthly relative humidity over the year

Average relative humidity in Vientiane, Laos   Copyright © 2022  weather-and-climate.com

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Average wind speed

The mean monthly wind speed over the year (in meters per second)

Average wind speed in Vientiane, Laos   Copyright © 2022  weather-and-climate.com

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Weather Forecasts for Vientiane (Vientiane)

FRI May 27
35°C | 25°C
Patchy rain possible

Patchy rain possible

SAT May 28
35°C | 25°C
Patchy rain possible

Patchy rain possible

SUN May 29
34°C | 25°C
Moderate rain

Moderate rain

The best time of year to visit Vientiane in Laos

Other facts from our historical climate data:

  • What is the temperature like year round in Vientiane?
    It has high temperatures all year round ranging between 28°C (82°F) and 33°C (91°F).
  • When is rainy season in Vientiane?
    The wet season / rainy season takes place in the following months: May, June, July, August and September. This is the time of year where the majority of Vientiane's annual precipitation occurs.
  • Does Vientiane have a dry season?
    Yes, the months January, February, November and December are very dry.
  • Which is the warmest month in Vientiane?
    April has an average maximum temperature of 33.0°C (91.4°F) and is the warmest month of the year.
  • Which is the coldest month in Vientiane?
    The coldest month is January with an average maximum temperature of 28.0°C (82.4°F).
  • Which is the wettest month in Vientiane?
    August tops the wettest month list with 323mm (12.7in) of rainfall.
  • Which is the driest month in Vientiane?
    December is the driest month with 3mm (0.1in) of precipitation.
  • Which is the sunniest month in Vientiane?
    December is the sunniest month with an average of 258 hours of sunshine.

  • No idea where to travel to this year? We now have a tool which suggests which destination suits your ideal climate conditions. Find out where to go with our weather planner.