Climate normals · 1970–2000
Vientiane Climate
Vientiane is a city in Laos (24) with a population of about 840,940. Its average annual temperature is 26.4°C (80°F), with roughly 1692 mm of rain per year.
26.4°C
Avg Temp
1692
Precip (mm/yr)
Apr
Hottest Month
Dec
Coldest Month
Vientiane Climate
Vientiane has an average annual temperature of 26.4°C (80°F) and receives about 1692 mm of precipitation per year. The warmest month is April and the coldest is December. Figures are 1970–2000 climate normals.
26.4°C
Avg Temp
1692
Precip (mm/yr)
Apr
Hottest Month
Dec
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | 22° / 72° | 5 mm |
| February | 24° / 75° | 14 mm |
| March | 27° / 80° | 35 mm |
| April | 29° / 84° | 84 mm |
| May | 29° / 84° | 237 mm |
| June | 29° / 84° | 292 mm |
| July | 28° / 83° | 305 mm |
| August | 28° / 82° | 335 mm |
| September | 28° / 82° | 275 mm |
| October | 27° / 80° | 91 mm |
| November | 24° / 76° | 14 mm |
| December | 22° / 71° | 5 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Vientiane
The most comfortable months to visit Vientiane are typically December, January and February, when temperatures are mildest and rainfall is relatively low. The hottest month is April (around 35°C high). The coldest is December (near 16°C low). August is usually the wettest month.
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Frequently Asked Questions
The most comfortable months to visit Vientiane are typically December, January and February, when temperatures are mildest and rainfall is relatively low (1970–2000 climate normals).
Vientiane, Laos has an average annual temperature of 26.4°C and about 1692 mm of precipitation per year. The warmest month is April and the coldest is December.
In April, the hottest month, daily highs in Vientiane average about 35°C (95°F).
Monthly climate normals (1970–2000) sampled from WorldClim 2.1 at ~9 km resolution. Humidity derived from vapor pressure. City coordinates and population from GeoNames.