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   Oct 07
34°C | 22°C
SE 10 kmph
5.0 mm
Moderate rain

Moderate rain

SAT   Oct 08
34°C | 22°C
SSW 5 kmph
19.6 mm
Moderate rain

Moderate rain

SUN   Oct 09
31°C | 22°C
E 9 kmph
27.2 mm
Heavy rain

Heavy rain

The best time of year to visit Vientiane in Laos

Vientiane has warm temperatures year round ranging between 28°C (83°F) and 34°C (94°F). The best time to visit is during the drier months: January, February, March, November and December.

Other facts from our historical climate data:

  • 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 35°C (94°F) and is the warmest month of the year.
  • Which is the coldest month in Vientiane?
    The coldest month is December with an average maximum temperature of 29°C (83°F).
  • Which is the wettest month in Vientiane?
    August tops the wettest month list with 335mm (13.2in) of rainfall.
  • Which is the driest month in Vientiane?
    December is the driest month with 4mm (0.2in) of precipitation.
  • Which is the sunniest month in Vientiane?
    December is the sunniest month with an average of 249 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.