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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
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
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
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
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
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
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
More Annual Averages
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Vientiane : Next 24-Hour Weather
Tomorrow - 30th April 2026
Sunrise 05:44
Sunset 18:30
4:00
24°C
(74°F)
5:00
24°C
(75°F)
6:00
24°C
(74°F)
7:00
25°C
(76°F)
8:00
27°C
(79°F)
9:00
28°C
(82°F)
10:00
31°C
(87°F)
11:00
33°C
(90°F)
12:00
34°C
(92°F)
13:00
35°C
(95°F)
14:00
36°C
(96°F)
15:00
35°C
(95°F)
16:00
34°C
(93°F)
17:00
33°C
(91°F)
18:00
33°C
(90°F)
19:00
31°C
(87°F)
20:00
30°C
(84°F)
21:00
28°C
(82°F)
22:00
28°C
(82°F)
23:00
27°C
(80°F)
Tomorrow - 1st May 2026
Sunrise 05:44
Sunset 18:30
0:00
27°C
(80°F)
1:00
26°C
(78°F)
2:00
25°C
(77°F)
3:00
25°C
(76°F)
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Vientiane
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