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Vientiane Province

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Vientiane Province Weather, Climate and Best Time to Visit

Data source:Meteostat
Update date:2025-09

Vientiane Province year round climate

  • Spring (March–May): Average 28.5–30.7°C, hot climate, rainfall gradually increasing, with heavier rainfall in May. Common activities: Visiting temples and cultural sites, enjoying the Mekong River views. Recommended clothing: Light and breathable short-sleeved clothing, loose-fitting long pants, hat, sunglasses.
  • Summer (June–August): Average 27.8–28.6°C, high temperature and humidity, abundant rainfall. Common activities: Indoor activities such as visiting museums, night markets, or enjoying hotel swimming pools. Recommended clothing: Light and breathable clothing, rain gear.
  • Autumn (September–November): Average 26.9–28°C, slightly lower temperature, less rainfall, with less rain after October. Common activities: Outdoor activities such as cycling, hiking, and visiting waterfalls. Recommended clothing: Light and breathable clothing, a light jacket can be prepared to cope with the temperature difference between morning and evening.
  • Winter (December–February): Average 23.7–25.4°C, relatively lower temperature, dry and less rainfall. Common activities: Visiting temples, markets, and enjoying more comfortable outdoor activities. Recommended clothing: Long-sleeved clothing, light jacket.

Vientiane Province climatological average

Annual average temperature: approx. 27°C / Annual rainfall: approx. 1862 mm / Summer humidity: 75%–85% / Rainiest month: September

Vientiane Province monthly average temperature and precipitation

Month
Air temperature (°C)
Precipitation (mm)
January
23.7°C
17
February
25.4°C
40.7
March
28.5°C
65
April
30.7°C
44.3
May
29.5°C
163.7
June
28.6°C
251.7
July
28.5°C
377.3
August
27.8°C
408
September
27.6°C
427.7
October
28°C
60.3
November
26.9°C
6.3
December
24°C
0

Vientiane Province weather for the next seven days

5/4
Monday
Moderate rain
38.5°C/24.1°C
5/5
Tuesday
Patchy rain nearby
36.5°C/24.1°C
5/6
Wednesday
Patchy rain nearby
37.1°C/24.1°C
5/7
Thursday
Patchy rain nearby
39°C/25.7°C
5/8
Friday
Heavy rain
38.6°C/23.2°C
5/9
Saturday
Moderate rain
25.1°C/22.9°C
5/10
Sunday
Patchy rain nearby
29.5°C/22.7°C