Vientiane Weather Year-Round — Best Time to Visit
Vientiane, Laos has hot weather year-round. The best time to visit is December (score: 97/100). Annual average high: 30°C, total rainfall: 1921mm.
When is the best time to visit Vientiane?
97
December is the best month to visit Vientiane with a travel score of 97/100 (Excellent).
Expect highs of 27°C, 1 rain days, and 9.8 hours of daily sunshine.
View December weather details →Travel Score by Month
96
Jan
96
Feb
91
Mar
81
Apr
67
May
64
Jun
62
Jul
61
Aug
64
Sep
79
Oct
93
Nov
97
Dec
Excellent (80+)
Good (60-79)
Mixed (40-59)
Poor (<40)
What are the average temperatures in Vientiane each month?
30°C
Avg High
22.1°C
Avg Low
1921mm
Annual Rain
How much rain does Vientiane get?
Vientiane receives 1921mm of rain annually. The wettest month is typically August with 397mm, while December is the driest.
What is the weather like each month in Vientiane?
January
96
27°C
Low: 17°C
2 rain days
Excellent
February
96
30°C
Low: 19°C
2 rain days
Excellent
March
91
32°C
Low: 22°C
7 rain days
Excellent
April
81
34°C
Low: 24°C
11 rain days
Excellent
May
67
32°C
Low: 25°C
22 rain days
Good
June
64
31°C
Low: 25°C
24 rain days
Good
July
62
30°C
Low: 25°C
26 rain days
Good
August
61
30°C
Low: 24°C
26 rain days
Good
September
64
30°C
Low: 24°C
24 rain days
Good
October
79
30°C
Low: 23°C
12 rain days
Good
November
93
29°C
Low: 21°C
3 rain days
Excellent
December
Best time to visit97
27°C
Low: 18°C
1 rain days
Excellent
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Data based on 1994–2024 averages · Last updated: 2024-12-31