Climate of Vientiane, Vientiane Prefecture, Laos
Point-value climate at Vientiane (Vientiane Prefecture, Laos). Population approximately 754,000.
Located in Vientiane Prefecture, Laos, Vientiane has a tropical climate. Population approximately 754,000. Monthly average temperatures range from 22°C / 71.6°F in December to 28.9°C / 84°F in April, with rainfall varying from 5 mm / 0.2 in (January) to 338 mm / 13.3 in (August) — about 1720 mm / 67.7 in across the year. As the national capital of Laos, it's often the primary gateway for travellers. These are point-value climate normals sampled at Vientiane's coordinates — often quite different from the surrounding region's area-weighted average.
Best sunny months: January, February, March, November, December.
Best time to visit Vientiane →
| Month | Temperature | Rainfall | Matches |
|---|---|---|---|
| January | 22.4°C72.3°F | 5 mm0.2″ | Sunny & Warm |
| February | 24.2°C75.6°F | 14 mm0.6″ | Sunny & Warm |
| March | 27°C80.6°F | 35 mm1.4″ | Sunny & Hot |
| April | 28.9°C84°F | 84 mm3.3″ | Tropical |
| May | 28.8°C83.8°F | 238 mm9.4″ | Tropical |
| June | 28.9°C84°F | 296 mm11.7″ | Tropical |
| July | 28.4°C83.1°F | 315 mm12.4″ | Tropical |
| August | 28.1°C82.6°F | 338 mm13.3″ | Tropical |
| September | 27.8°C82°F | 280 mm11″ | Tropical |
| October | 26.8°C80.2°F | 94 mm3.7″ | Tropical |
| November | 24.5°C76.1°F | 16 mm0.6″ | Sunny & Warm |
| December | 22°C71.6°F | 5 mm0.2″ | Sunny & Warm, Sunny & Mild |
Frequently asked questions
What is the best time to visit Vientiane?
The months with the sunniest, driest weather are January, February, March, November, December. Vientiane's warmest month is April at an average of 28.9°C / 84°F, and its driest month is January with about 5 mm / 0.2 in of rain.
What is the climate of Vientiane?
Vientiane, in Vientiane Prefecture, Laos, has monthly average temperatures ranging from 22°C / 71.6°F in December to 28.9°C / 84°F in April. Annual rainfall is approximately 1720 mm / 67.7 in, with the wettest month being August (338 mm / 13.3 in) and the driest January (5 mm / 0.2 in).
What is the average temperature in Vientiane in April?
The average temperature in Vientiane in April is 28.9°C / 84°F, with rainfall of about 84 mm / 3.3 in — the warmest month of the year.
When is the driest month in Vientiane?
The driest month in Vientiane is January, with about 5 mm / 0.2 in of average monthly rainfall. Average temperature that month is 22.4°C / 72.3°F.
When is the wettest month in Vientiane?
The wettest month in Vientiane is August, with approximately 338 mm / 13.3 in of average monthly rainfall.