Weather
VI

Vientiane

25°

Overcast

High: 31° · Low: 25° · Feels like 31°

Rain expected around 06:00.

Hourly forecast

Now 53% 25°
05:00 49% 25°
06:00 49% 25°
07:00 47% 26°
08:00 41% 26°
09:00 33% 28°
10:00 31% 29°
11:00 39% 30°
12:00 52% 30°
13:00 61% 31°
14:00 63% 31°
15:00 61% 31°
16:00 61% 31°
17:00 63% 30°
18:00 67% 30°
19:00 71% 29°
20:00 75% 28°
21:00 79% 26°
22:00 84% 27°
23:00 89% 27°
00:00 94% 26°
01:00 98% 26°
02:00 99% 25°
03:00 98% 25°

14-day forecast

  • Feels like
    38° / 31°
    Precipitation
    12 mm · 89%
    Wind
    7 km/h E
    UV index
    9 · Very high
    Sun
    5:36 / 18:48

Details

Air quality
31 Fair
PM2.5 10 · PM10 11

Vientiane's Climate

Vientiane, the capital of Laos on the banks of the Mekong River, has a tropical savanna (monsoon) climate with clearly separated wet and dry seasons. The rainy season runs from May to October under the southwest monsoon, bringing downpours and high humidity, while the dry season spans November to April. The cool period from November to February is pleasant with chilly nights, whereas March and April turn scorching, often exceeding 35°C and sometimes hazy from agricultural burning. This page provides an hourly and 14-day forecast plus detailed metrics including humidity, wind, UV index and air quality (AQI).

Frequently asked questions

When is the rainy season in Vientiane?

The wet season lasts from May to October, with the heaviest rain in July and August under the southwest monsoon, usually as short but intense downpours.

What is the hottest month in Vientiane?

March through May is the hottest, with daytime highs often 35–38°C; March and April also tend to be hazy from regional crop burning.

Does Vientiane have a cool season?

Yes, a distinct cool, dry season runs from November to February, when nights can fall to around 15–18°C, comfortable but not truly cold.

When is the best time to visit Vientiane?

November to February is ideal, with dry, cool weather, gentle sun, low humidity and little rain, perfect for sightseeing and travel.

Updated: 9:28:20 PM