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Vientiane, Laos Weather Averages

May is the hottest month in Vientiane with an average temperature of 29°C (84°F) and the coldest is January at 22°C (72°F). The wettest month is July with an average of 120mm of rain..

Average Temperature Vientiane

What is Average Temperature?
The average high temperature and the average low temperature for that month, on a daily basis, divided by 2 equals the average temperature for that month
What is Average Temperature?
The average high temperature and the average low temperature for that month, on a daily basis, divided by 2 equals the average temperature for that month

Average High Low Temperature Vientiane

What is Average High Low Temperature?
The sum of high temperatures/low temperatures divided by the number of days in that month, recorded daily
What is Average High Low Temperature?
The sum of high temperatures/low temperatures divided by the number of days in that month, recorded daily

Average Rainfall Vientiane

What is Average Rainfall?
The amount of mm in rain for that month divided by the number of days, and the number of days that it rains during that month on average, over a given period of years
What is Average Rainfall?
The amount of mm in rain for that month divided by the number of days, and the number of days that it rains during that month on average, over a given period of years

Vientiane : Next 24-Hour Weather

Today - 14th June 2026

Sunrise 05:33

Sunrise

Sunset 18:45

Sunset
7:00
Patchy rain possible
27°C (79°F)
8:00
Patchy rain possible
28°C (82°F)
9:00
Patchy rain possible
30°C (85°F)
10:00
Patchy rain possible
31°C (87°F)
11:00
Partly cloudy
32°C (89°F)
12:00
Partly cloudy
33°C (91°F)
13:00
Partly cloudy
34°C (92°F)
14:00
Overcast
34°C (92°F)
15:00
Patchy rain possible
33°C (91°F)
16:00
Partly cloudy
33°C (91°F)
17:00
Thundery outbreaks possible
32°C (89°F)
18:00
Thundery outbreaks possible
30°C (86°F)
19:00
Clear
29°C (83°F)
20:00
Patchy rain possible
28°C (82°F)
21:00
Patchy light drizzle
27°C (80°F)
22:00
Patchy light rain
27°C (80°F)
23:00
Patchy rain possible
26°C (79°F)

Tomorrow - 15th June 2026

Sunrise 05:33

Sunrise

Sunset 18:45

Sunset
0:00
Cloudy
26°C (78°F)
1:00
Cloudy
26°C (78°F)
2:00
Cloudy
26°C (78°F)
3:00
Cloudy
26°C (77°F)
4:00
Partly cloudy
25°C (77°F)
5:00
Partly cloudy
25°C (77°F)
6:00
Partly cloudy
26°C (77°F)