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LaosThe climate of Vientiane
The current climate in Vientiane features temperatures ranging from a high of 36°C to a low of 29°C throughout the year. The average yearly temperature is around 33°C. At night, temperatures in the colder months average around 15°C and in the warmer months around 24°C.
Average temperatures and precipitation
This chart shows the average monthly maximum and minimum temperatures (in degrees Celsius) and average monthly rainfall (in millimeters) for Vientiane, Laos.
Temperature records
The highest temperature recorded in Vientiane in recent years was 42°C in April 2023. The lowest daytime temperature recorded was 8°C in January 2016.
Rainfall amount
On average, Vientiane receives 1608 mm of precipitation each year. For comparison, New York gets 1142 mm of precipitation annually.
Best time to visit Vientiane?
The best time to visit Vientiane for sunny weather is January through March and October through December. During this period, you'll have nice temperatures and not too much rain, making it a great time to visit Vientiane. In the other months of the year, there's too much rain or the temperature isn't ideal for a visit if you want sunny and pleasant weather.
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Climate Table of Vientiane
The climate table of Vientiane shows the average temperatures, rainfall, and UV index per month. The table provides an overview of the average day and night temperatures in degrees Celsius, the total amount of rainfall in millimeters, the total snowfall in centimeters, and the UV index for each month. Rainfall is always measured as water, even if it's snow or hail.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
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| Temp. max (°C) | 29 | 32 | 35 | 36 | 35 | 34 | 33 | 32 | 33 | 32 | 32 | 30 |
| Temp. min (°C) | 15 | 19 | 19 | 20 | 23 | 24 | 24 | 24 | 24 | 21 | 20 | 17 |
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| Precipitation (mm) | 20 | 47 | 55 | 114 | 151 | 210 | 266 | 349 | 260 | 100 | 31 | 4,4 |
| UV Index | 7 | 8 | 9 | 9 | 8 | 8 | 7 | 7 | 7 | 7 | 7 | 7 |
Click on the month name to see more weather details, like daily averages, temperatures, and precipitation for the past years in that month.
Temperature charts
These charts display the average temperatures in Vientiane, Laos. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Average Temperature per Month in Vientiane
Yearly Temperature in Vientiane
Precipitation charts
These charts show the average amount of precipitation in Vientiane, Laos. Precipitation is always measured as water, even when it falls as snow or hail. The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Average Precipitation per Month in Vientiane
Total Yearly Precipitation in Vientiane
UV index chart
This chart shows the average UV index per month in Vientiane, Laos. The UV index indicates the intensity of ultraviolet radiation and ranges from 0 to a maximum of 11.
Average UV Index per Month in Vientiane
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Average weather in Vientiane by month
Click on a month below to see detailed weather info for Vientiane. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.