If you plan to visit Vientiane in August, the weather is typically alright, with an average high temperature of +31°C during the day and approximately 0 sunny days. Expect some rainy, though, as there are typically 27 rainy days in the month and around 373 mm of precipitation. The weather is changeable so you may have to pack for every eventuality. Search flightsin one click on Avionero.
Good to know:
August is usually the wettest month of the year in Vientiane;
Average weather
☀️
+31°C
Avg. max. temperature
+23°C
Min.
+37°C
Max.
373 mm
Total precipitation
84%
Avg. humidity
1 m/s
Avg. wind
0 ☀️
Sunny Days
1 ⛅️
Cloudy
27 🌦
Rainy
Our opinion: Vientiane has OK weather in August.
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Average temperature in Vientiane in August
Here are the expected maximum, average and minimum temperatures in Vientiane for August based on the historical data.
Last Year
Historical Data
Going from a maximum of +36°C during the day to a minimum of +24°C during the night, the temperature in August averages around +32°C.
The average maximum temperature goes up 17% by the end of the month, compared with the beginning of the month, from +31°C to +33°C.
Is Vientiane warm or cold in August?
Vientiane is typically hot in August.
Maximum temperatures go down compared to the previous month from +32°C to +31°C. The minimum temperature also goes up from +25°C to +25°C.
Make sure that you pack your summer linen and swimming costumes; it’s probably going to be hot.
Take a look at how August is compared to other months in Vientiane:
Climate in Vientiane in August
Vientiane weather looks like this, on average, in August and the surrounding months.
July
August
September
Avg. temperature
+32°C
+31°C
+31°C
Min. temperature
+22°C
+23°C
+21°C
Max. temperature
+40°C
+37°C
+36°C
Rainfall
347 mm
373 mm
282 mm
Wind
1 m/s
1 m/s
0 m/s
Humidity
83%
84%
83%
Air pressure
1004 HPa
1005 HPa
1007 HPa
Sunny days
0
0
0
Cloudy days
1
1
2
Rainy days
27
27
24
Snowy days
0
0
0
August weather is still as ok as in July.It’s getting colder in August. From +32°C in the day, the average maximum temperature lowers to +31°C.Prepare for more rain. Average rainfall goes from 347 mm to 373 mm.Humidity rises from 83% to 84%.The average wind speed doesn’t change much during August, staying around 1 m/s.The amount of sunny days stay about the same, averaging 0 sunny days during the month.
September brings much the same weather, it remains ok.
Wind speed in Vientiane in August based on historical data.
Last Year
Historical Data
The average wind speed is 1 m/s getting up to 2 m/s which is a light breeze; barely moving the tree leaves.
The average wind speed in Vientiane is gradually increasing during August, going from 1 m/s to 1 m/s over the course of the month.
Rain
Amount of rainfall in mm during August in Vientiane based on historical data.
Last Year
Historical Data
Typically, there is a 94% chance of rain on an average day in August, with total rainfall of approximately 333 mm. The maximum amount of rainfall per day is around 32 mm, which is moderate rain.August is a pretty wet month with over 29 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of galoshes.
August is one of the rainiest months in Vientiane, here is a comparison with other months, total mm:
Vientiane wettest month is August, where a typical day has a 87% chance of precipitation and 373 mm of rainfall per day. December, on the other hand, is the driest month with a mere 6% chance of precipitation and 5 mm of rainfall per day.
How was the weather last August in Vientiane?
This is the weather in Vientiane in August 2024:
1 August
🌧️
+31°C
2 August
🌧️
+29°C
3 August
🌧️
+29°C
4 August
🌧️
+29°C
5 August
🌧️
+28°C
6 August
🌧️
+27°C
7 August
🌧️
+26°C
8 August
🌧️
+29°C
9 August
☁️
+32°C
10 August
☁️
+33°C
11 August
☁️
+33°C
12 August
🌧️
+34°C
13 August
☁️
+33°C
14 August
🌧️
+31°C
15 August
🌧️
+32°C
16 August
🌧️
+32°C
17 August
🌧️
+33°C
18 August
☁️
+36°C
19 August
☁️
+36°C
20 August
🌧️
+33°C
21 August
☁️
+33°C
22 August
☁️
+33°C
23 August
🌧️
+33°C
24 August
🌧️
+32°C
25 August
🌧️
+31°C
26 August
🌧️
+31°C
27 August
☁️
+31°C
28 August
☁️
+33°C
29 August
🌧️
+30°C
30 August
🌧️
+31°C
31 August
☁️
+33°C
In August 2024 Vientiane had 0 sunny days, 11 cloudy days, and 20 rainy days. The average maximum temperature was +32°C, with an absolute maximum of +36°C and a minimum of +26°C. The average humidity was 77%, with a maximum of 100% and a minimum of 47%. The average wind speed was 1 m/s, with a maximum of 4 m/s and a minimum of 0 m/s.
Are you planning a trip in August?
Climate Change over Years
This is how Vientiane climate have been changing during last 43 years period.
The climate in Vientiane in August has not changed much over the last 43 years.
The average temperature was the lowest in 1996 (+30°C) and the highest in 2019 (+33°C). The driest year was 2019 with only 1054 mm of rainfall, and the wettest year was 1994 with 2326 mm.
FAQ
Frequently asked questions about the weather in Vientiane in August:
Is August a good time to visit Vientiane?
It’s always a good time to visit Vientiane, but the weather is changeable in August, so plan a mix of indoor and outdoor activities and exploring, and pack for every eventuality.
Can you sunbathe in Vientiane in August?
Absolutely, August is hot in Vientiane. Plan on beach and pool time, and ensure that you pack light and breathable options to stay comfortable.
Is Vientiane rainy in August?
Vientiane is often rainy in August. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.
Is it sunny in Vientiane in August?
Usually, it’s not very sunny in Vientiane in August, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.
For this page, we’ve looked at the typical weather in Vientiane, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.
