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Vientiane climate

Laos · Mekong valley · 17.976° N, 102.633° E

Köppen Awtropical savannaTropical

Hot, with a wet monsoon summer and a dusty dry winter.

Hot all year, with the seasons set by rainfall rather than temperature.

What the year looks like

Average monthly temperature — °F / °C
60708090100JFMAMJJASOND

Average high Average low

Average monthly precipitation — in / mm
18JFMAMJJASOND

Rain

At a glance

Warmest month
April, 93°F / 34°C
Coldest month
January, 64°F / 18°C
Annual swing
29°F / 16°C
Wettest month
August
Driest month
December
Rain per year
77.4" / 1966 mm
Elevation
587 ft / 179 m
Time zone
Asia/Vientiane

Monthly climate normals

2019-2023 averages from Open-Meteo Historical Weather API (ERA5 reanalysis). Imperial / metric.
MonthHigh °F/°CLow °F/°CRain in/mmHumidityWind mph/km/hCloud
January82 / 2864 / 180.17 / 464%4.8 / 7.726%
February85 / 3067 / 190.92 / 2364%4.9 / 7.928%
March91 / 3373 / 232.23 / 5768%4.6 / 7.436%
April93 / 3476 / 252.79 / 7166%4.7 / 7.649%
May92 / 3378 / 258.24 / 20975%4.2 / 6.873%
June88 / 3177 / 2510.94 / 27884%3.5 / 5.687%
July88 / 3177 / 2512.55 / 31984%3.8 / 6.186%
August86 / 3076 / 2417.60 / 44786%3.9 / 6.392%
September86 / 3075 / 2415.14 / 38586%4.0 / 6.480%
October86 / 3073 / 235.83 / 14878%4.1 / 6.665%
November86 / 3070 / 210.94 / 2468%4.4 / 7.141%
December82 / 2864 / 180.05 / 163%5.0 / 8.031%

Could you have placed Vientiane from those graphs alone?

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Nearby

Other tropical savanna places (Aw)