Vientiane weather by month

Check out Vientiane weather averages by month. Compare detailed monthly climate statistics including temperature, rainfall and sunshine figures.

Temperature in Vientiane (°F)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
84°F maximum daytime temperature in January in Vientiane84
90°F maximum daytime temperature in February in Vientiane90
95°F maximum daytime temperature in March in Vientiane95
97°F maximum daytime temperature in April in Vientiane97
93°F maximum daytime temperature in May in Vientiane93
91°F maximum daytime temperature in June in Vientiane91
90°F maximum daytime temperature in July in Vientiane90
90°F maximum daytime temperature in August in Vientiane90
90°F maximum daytime temperature in September in Vientiane90
88°F maximum daytime temperature in October in Vientiane88
86°F maximum daytime temperature in November in Vientiane86
84°F maximum daytime temperature in December in Vientiane84
Min temperature (night-time)
61°F minimum night-time temperature in January in Vientiane61
64°F minimum night-time temperature in February in Vientiane64
70°F minimum night-time temperature in March in Vientiane70
75°F minimum night-time temperature in April in Vientiane75
75°F minimum night-time temperature in May in Vientiane75
77°F minimum night-time temperature in June in Vientiane77
77°F minimum night-time temperature in July in Vientiane77
75°F minimum night-time temperature in August in Vientiane75
75°F minimum night-time temperature in September in Vientiane75
73°F minimum night-time temperature in October in Vientiane73
66°F minimum night-time temperature in November in Vientiane66
61°F minimum night-time temperature in December in Vientiane61
Heat & Humidity
Moderate heat & humidity in January in VientianeM
High heat & humidity in February in VientianeH
Very high heat & humidity in March in VientianeVH
Very high heat & humidity in April in VientianeVH
Very high heat & humidity in May in VientianeVH
Very high heat & humidity in June in VientianeVH
Very high heat & humidity in July in VientianeVH
Very high heat & humidity in August in VientianeVH
Very high heat & humidity in September in VientianeVH
High heat & humidity in October in VientianeH
High heat & humidity in November in VientianeH
Moderate heat & humidity in December in VientianeM

Note: 0 = None, L = Low, M = Moderate, H = High, VH = Very high, E = Extreme

Sunshine & Daylight in Vientiane

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daily hours of sunshine
Daily hours of daylight
11 hours of daylight per day in January in Vientiane11
12 hours of daylight per day in February in Vientiane12
12 hours of daylight per day in March in Vientiane12
13 hours of daylight per day in April in Vientiane13
13 hours of daylight per day in May in Vientiane13
13 hours of daylight per day in June in Vientiane13
13 hours of daylight per day in July in Vientiane13
13 hours of daylight per day in August in Vientiane13
12 hours of daylight per day in September in Vientiane12
12 hours of daylight per day in October in Vientiane12
11 hours of daylight per day in November in Vientiane11
11 hours of daylight per day in December in Vientiane11
UV Index (Maximum)
UV (maximum) index 9 (Very High) in January in Vientiane9
UV (maximum) index 11 (Extreme) in February in Vientiane11
UV (maximum) index 11+ (Extreme) in March in Vientiane11
UV (maximum) index 11+ (Extreme) in April in Vientiane11
UV (maximum) index 11+ (Extreme) in May in Vientiane11
UV (maximum) index 11+ (Extreme) in June in Vientiane11
UV (maximum) index 11+ (Extreme) in July in Vientiane11
UV (maximum) index 11+ (Extreme) in August in Vientiane11
UV (maximum) index 11+ (Extreme) in September in Vientiane11
UV (maximum) index 11 (Extreme) in October in Vientiane11
UV (maximum) index 9 (Very High) in November in Vientiane9
UV (maximum) index 8 (Very High) in December in Vientiane8

Rainfall in Vientiane

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Number of days with some rain
3 days with some rainfall in January in Vientiane3
3 days with some rainfall in February in Vientiane3
6 days with some rainfall in March in Vientiane6
9 days with some rainfall in April in Vientiane9
18 days with some rainfall in May in Vientiane18
21 days with some rainfall in June in Vientiane21
21 days with some rainfall in July in Vientiane21
24 days with some rainfall in August in Vientiane24
20 days with some rainfall in September in Vientiane20
10 days with some rainfall in October in Vientiane10
3 days with some rainfall in November in Vientiane3
2 days with some rainfall in December in Vientiane2
Average monthly rainfall (inches)
0.3 inches monthly rainfall in January in Vientiane0.3
0.5 inches monthly rainfall in February in Vientiane0.5
1.2 inches monthly rainfall in March in Vientiane1.2
3.5 inches monthly rainfall in April in Vientiane3.5
9.3 inches monthly rainfall in May in Vientiane9.3
10.7 inches monthly rainfall in June in Vientiane10.7
9.6 inches monthly rainfall in July in Vientiane9.6
13.1 inches monthly rainfall in August in Vientiane13.1
10.9 inches monthly rainfall in September in Vientiane10.9
3.2 inches monthly rainfall in October in Vientiane3.2
0.5 inches monthly rainfall in November in Vientiane0.5
0.2 inches monthly rainfall in December in Vientiane0.2

More about Vientiane

Vientiane by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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The climate guide for Laos (Vientiane) shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

What's the climate like in Vientiane?

Vientiane has a hot tropical climate with a winter dry season.

Metric (°C)  |  Imperial (°F)

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Tropical storm risk: Vientiane, Laos typhoon season

% of month affected by tropical storms
0
0
0
0
0
<1%
1.8%
2.7%
3.9%
3%
0
0
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

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Compare Vientiane with the USA

Below the Vientiane chart shows average maximum daytime temperature for Vientiane, Laos and the USA (Washington).

Maximum daytime temperature (°F)

Vientiane, Laos
USA (Washington)
84
41
90
45
95
55
97
66
93
75
91
84
90
88
90
86
90
79
88
68
86
57
84
46
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Metric (°C)  |  Imperial (°F)

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