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.

Average monthly minimum and maximum temperature in Vientiane, Laos

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Monthly hours of sunshine

The average monthly total hours of sunshine over the year

Average monthly hours of sunshine in Vientiane, Laos

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Monthly precipitation

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

Average monthly rainfall, snow, precipitation in Vientiane, Laos

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Monthly rainy days

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

Average monthly rainy days in Vientiane, Laos

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Average humidity

The mean monthly relative humidity over the year

Average monthly relative humidity in Vientiane, Laos

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Average wind speed

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

Average monthly wind speed in Vientiane, Laos

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Weather Forecasts for Vientiane

Tue   Mar 19
31°C | 23°C
E 22 km/h
22 mm
broken clouds and thunder

broken clouds and thunder

Wed   Mar 20
30°C | 21°C
SE 11 km/h
1.7 mm
partly cloudy and rain

partly cloudy and rain

Thu   Mar 21
32°C | 20°C
SE 7 km/h
almost clear and no rain

almost clear and no rain

The best time of year to visit Vientiane in Laos

Other facts from our historical weather data:

  • When is the rainy season in Vientiane?
    Rainy season in Vientiane occurs in the months of May, June, July, August and September.
  • Does Vientiane have a dry season?
    Yes, the months of January, February and December are very dry.
  • Which is the hottest month in Vientiane?
    April has an average maximum temperature of 37°C and is the hottest month of the year.
  • Which is the coolest month in Vientiane?
    The coolest month is January with an average maximum temperature of 30°C.
  • Which is the wettest month in Vientiane?
    August tops the wettest month list with 400 mm of rainfall.
  • Which is the driest month in Vientiane?
    December is the driest month with 9 mm 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 have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.