Laos climate

Places covered
2
with monthly data
Warmest place
Vientiane
year average 26 °C79 °F
Coolest place
Savannakhet
year average 26 °C79 °F
Wettest place
Savannakhet
1,227 mm48 in a year

World Climates covers 2 places in Laos. By annual mean temperature, the warmest is Vientiane (26 °C79 °F) and the coolest is Savannakhet (26 °C79 °F). The wettest is Savannakhet with 1,227 mm48 in of precipitation per year, the driest Vientiane with 1,215 mm48 in.

The most common climate types (Köppen classification computed from these averages) are tropical savanna (dry winter) (Aw, 2 places).

The highest monthly average high is in Vientiane (37 °C98 °F in April); the lowest monthly average low is in Vientiane (15 °C59 °F in January).

Frequently asked questions

Which is the warmest place in Laos?

By annual mean temperature, the warmest place in Laos is Vientiane at 26 °C79 °F. The coolest is Savannakhet at 26 °C79 °F.

Where does it rain the most in Laos?

Savannakhet gets the most precipitation, 1,227 mm48 in in an average year. The driest place is Vientiane with 1,215 mm48 in.

How many places in Laos does this site cover?

World Climates has climate data for 2 places in Laos. Each one has a page with monthly averages for temperature, rainfall, humidity and daylight.

Climate of every place in Laos

Annual averages, 2001–2025
PlaceYearMax highMin lowPrecip.
Vientiane2637151,215
Savannakhet2637151,227

Year = annual mean temperature; max high = average high of the warmest month; min low = average low of the coldest month; precip. = annual total. Temperatures in °C°F, precipitation in mminches. Sorted by population.

Data: NASA POWER climatology 2001–2025 (MERRA-2 reanalysis, CERES satellite data) — grid-cell averages, not station records. Sources and method.