What’s the climate like in Vientiane?
The current climate of Vientiane features average monthly temperatures ranging from highs of 36°C during the day to lows of 29°C. 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.
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.
On average, Vientiane receives 1608 mm of precipitation each year. For comparison, London gets 701 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 good 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.
Climate Table of Vientiane
The climate table of Vientiane shows the average temperatures, precipitation, and UV index per month. The table gives an overview of the average day and night temperatures in degrees Celsius, the total amount of precipitation in millimetres, the total snowfall in centimetres, and the UV index for each month. Precipitation is always measured as water, even if it's snow or hail.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 |
| Precipitation |  |
|
|
|
|
|
|
|
|
|
|
|
| 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.
- Average yearly temperature: 33°C
- Highest temperature: 36°C in April
- Lowest temperature: 29°C in January
- Precipitation: 1608 mm per year, averaging 134 mm per month
- Driest months: 4,4 mm in December, 20 mm in January and 31 mm in November
- Wettest months: 349 mm in August, 266 mm in July and 260 mm in September
Plan your next holiday
Don’t miss the best holiday deals for Vientiane and see what our partners have for you.
Table of Contents
Average Temperature per Month in Vientiane
This graph shows the average maximum temperatures per month in Vientiane, Laos. The temperatures are shown in degrees Celsius and the average is calculated based on the recorded temperatures per month from past years.
Average Precipitation per Month in Vientiane
This graph shows how much precipitation Vientiane, Laos, gets on average per month. Precipitation is always measured as water, even if it's snow or hail. This makes it easy to compare how much has fallen, regardless of the form of precipitation. The amount of precipitation is measured in millimetres and the average is calculated based on the recorded precipitation per month from past years.
Average UV Index per Month in Vientiane
This graph 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.
Yearly Temperature in Vientiane
This graph shows the average yearly temperature in Vientiane, Laos. The yearly temperature, expressed in degrees Celsius, is the average of all twelve monthly temperatures summed up for that year.
Total Yearly Precipitation in Vientiane
This chart shows the total yearly precipitation in Vientiane, Laos, over the past few years. The total yearly precipitation, measured in millimetres, is the sum of all the rain that fell in the twelve months of that year.
Weather experiences in Vientiane
Have you been to Vientiane?
Share your weather experiences in Vientiane.
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.
