Laos climate guide

Temperature in Laos (°C)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
29°C maximum daytime temperature in January in Laos (Vientiane)29
32°C maximum daytime temperature in February in Laos (Vientiane)32
35°C maximum daytime temperature in March in Laos (Vientiane)35
36°C maximum daytime temperature in April in Laos (Vientiane)36
34°C maximum daytime temperature in May in Laos (Vientiane)34
33°C maximum daytime temperature in June in Laos (Vientiane)33
32°C maximum daytime temperature in July in Laos (Vientiane)32
32°C maximum daytime temperature in August in Laos (Vientiane)32
32°C maximum daytime temperature in September in Laos (Vientiane)32
31°C maximum daytime temperature in October in Laos (Vientiane)31
30°C maximum daytime temperature in November in Laos (Vientiane)30
29°C maximum daytime temperature in December in Laos (Vientiane)29
Min temperature (night-time)
16°C minimum night-time temperature in January in Laos (Vientiane)16
18°C minimum night-time temperature in February in Laos (Vientiane)18
21°C minimum night-time temperature in March in Laos (Vientiane)21
24°C minimum night-time temperature in April in Laos (Vientiane)24
24°C minimum night-time temperature in May in Laos (Vientiane)24
25°C minimum night-time temperature in June in Laos (Vientiane)25
25°C minimum night-time temperature in July in Laos (Vientiane)25
24°C minimum night-time temperature in August in Laos (Vientiane)24
24°C minimum night-time temperature in September in Laos (Vientiane)24
23°C minimum night-time temperature in October in Laos (Vientiane)23
19°C minimum night-time temperature in November in Laos (Vientiane)19
16°C minimum night-time temperature in December in Laos (Vientiane)16

Sunshine & Daylight in Laos

  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 Laos (Vientiane)11
12 hours of daylight per day in February in Laos (Vientiane)12
12 hours of daylight per day in March in Laos (Vientiane)12
13 hours of daylight per day in April in Laos (Vientiane)13
13 hours of daylight per day in May in Laos (Vientiane)13
13 hours of daylight per day in June in Laos (Vientiane)13
13 hours of daylight per day in July in Laos (Vientiane)13
13 hours of daylight per day in August in Laos (Vientiane)13
12 hours of daylight per day in September in Laos (Vientiane)12
12 hours of daylight per day in October in Laos (Vientiane)12
11 hours of daylight per day in November in Laos (Vientiane)11
11 hours of daylight per day in December in Laos (Vientiane)11

Rainfall in Laos

  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 Laos (Vientiane)3
3 days with some rainfall in February in Laos (Vientiane)3
6 days with some rainfall in March in Laos (Vientiane)6
9 days with some rainfall in April in Laos (Vientiane)9
18 days with some rainfall in May in Laos (Vientiane)18
21 days with some rainfall in June in Laos (Vientiane)21
21 days with some rainfall in July in Laos (Vientiane)21
24 days with some rainfall in August in Laos (Vientiane)24
20 days with some rainfall in September in Laos (Vientiane)20
10 days with some rainfall in October in Laos (Vientiane)10
3 days with some rainfall in November in Laos (Vientiane)3
2 days with some rainfall in December in Laos (Vientiane)2
Average monthly rainfall (mm)
7 mm monthly rainfall in January in Laos (Vientiane)7
12 mm monthly rainfall in February in Laos (Vientiane)12
31 mm monthly rainfall in March in Laos (Vientiane)31
90 mm monthly rainfall in April in Laos (Vientiane)90
236 mm monthly rainfall in May in Laos (Vientiane)236
271 mm monthly rainfall in June in Laos (Vientiane)271
244 mm monthly rainfall in July in Laos (Vientiane)244
332 mm monthly rainfall in August in Laos (Vientiane)332
278 mm monthly rainfall in September in Laos (Vientiane)278
81 mm monthly rainfall in October in Laos (Vientiane)81
12 mm monthly rainfall in November in Laos (Vientiane)12
4 mm monthly rainfall in December in Laos (Vientiane)4

More climate for Laos

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (Maximum)
UV (maximum) index 9 (Very High) in January in Laos (Vientiane)9
UV (maximum) index 11 (Extreme) in February in Laos (Vientiane)11
UV (maximum) index 11+ (Extreme) in March in Laos (Vientiane)11
UV (maximum) index 11+ (Extreme) in April in Laos (Vientiane)11
UV (maximum) index 11+ (Extreme) in May in Laos (Vientiane)11
UV (maximum) index 11+ (Extreme) in June in Laos (Vientiane)11
UV (maximum) index 11+ (Extreme) in July in Laos (Vientiane)11
UV (maximum) index 11+ (Extreme) in August in Laos (Vientiane)11
UV (maximum) index 11+ (Extreme) in September in Laos (Vientiane)11
UV (maximum) index 11 (Extreme) in October in Laos (Vientiane)11
UV (maximum) index 9 (Very High) in November in Laos (Vientiane)9
UV (maximum) index 8 (Very High) in December in Laos (Vientiane)8
Heat & Humidity
Moderate heat & humidity in January in Laos (Vientiane)M
High heat & humidity in February in Laos (Vientiane)H
Very high heat & humidity in March in Laos (Vientiane)VH
Very high heat & humidity in April in Laos (Vientiane)VH
Very high heat & humidity in May in Laos (Vientiane)VH
Very high heat & humidity in June in Laos (Vientiane)VH
Very high heat & humidity in July in Laos (Vientiane)VH
Very high heat & humidity in August in Laos (Vientiane)VH
Very high heat & humidity in September in Laos (Vientiane)VH
High heat & humidity in October in Laos (Vientiane)H
High heat & humidity in November in Laos (Vientiane)H
Moderate heat & humidity in December in Laos (Vientiane)M

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

Going to Laos? Find the best month to visit Laos based on the weather.

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

Check climate guides for Laos showing average temperature, rainfall & sunshine figures for each month of the year. The climate guide shown above is for Vientiane.

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More about Laos

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

The climate guide for Laos, represented by 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.

Metric (°C / mm)  |  Imperial (°F / inches)

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