The climate of Laos, city by city

This page lists the 19 cities in Laos for which climate normals are available. Each entry covers temperature, rainfall and how the climate changed between 1940 and 2025, computed from ERA5 reanalysis data.

+1.7 °C since 1940

Frequently asked questions

What is the hottest city in Laos?

The hottest city in Laos is Muang Không, with an average annual temperature of 27.2 °C.

What is the coldest city in Laos?

The coldest city in Laos is Xam Nua, with an average annual temperature of 19.4 °C.

What is the wettest city in Laos?

The wettest city in Laos is Vang Vieng, with 2,420 mm of precipitation per year.

Has the climate of Laos warmed?

Based on its largest cities, Laos warmed by +1.7 °C between 1940 and 2025.

Cities by region

Bokeo2

Bolikhamsai2

Champasak Province2

Houaphan1

Khammouane Province1

Loungnamtha1

Luang Prabang Province1

Oudômxai1

Salavan Province1

Savannakhet Province3

Vientiane Prefecture1

Vientiane Province1

Xékong1

Xiangkhoang1