Vientiane Weather Averages

Climate averages for Vientiane based on 10 years of historical data.

Average Vientiane temperatures by month

Avg high

29°

J

31°

F

34°

M

36°

A

34°

M

32°

J

31°

J

30°

A

31°

S

30°

O

30°

N

29°

D

Avg low

18°

J

20°

F

24°

M

26°

A

26°

M

25°

J

24°

J

24°

A

24°

S

22°

O

21°

N

18°

D

Average rainfall in Vientiane by month

Rainfall (mm)

19

J

19

F

51

M

66

A

243

M

311

J

416

J

484

A

401

S

149

O

27

N

5

D

Sunshine hours in Vientiane by month

Sunshine (h/day)

7

J

8

F

6

M

4

A

2

M

1

J

1

J

1

A

1

S

3

O

6

N

7

D

Humidity in Vientiane by month

Average humidity

55%

J

46%

F

43%

M

46%

A

62%

M

74%

J

81%

J

83%

A

83%

S

79%

O

69%

N

61%

D

Month-by-month averages

Month	Avg High	Avg Low	Rainfall	Sunshine
Vädret i januari	29°C	18°C	19 mm	7.3h
Vädret i februari	31°C	20°C	19 mm	7.6h
Vädret i mars	34°C	24°C	51 mm	5.6h
Vädret i april	36°C	26°C	66 mm	4.1h
Vädret i maj	34°C	26°C	243 mm	1.6h
Vädret i juni	32°C	25°C	311 mm	1.2h
Vädret i juli	31°C	24°C	416 mm	1.0h
Vädret i augusti	30°C	24°C	484 mm	0.9h
Vädret i september	31°C	24°C	401 mm	1.1h
Vädret i oktober	30°C	22°C	149 mm	2.9h
Vädret i november	30°C	21°C	27 mm	6.0h
Vädret i december	29°C	18°C	5 mm	7.4h