What's on in Vientiane, Laos through the year
Vientiane, Laos has 7 curated events through the year — 4 festivals, 2 seasons and 1 hazard season. The ones to plan around: Pi Mai, Lao New Year (April) and Boun Bang Fai, the rocket festival (May). November is its peak-crowd month.
Updated September 2026 · every event curated and sourced · dates for 2026 where they are announced, the usual window where they are not
Vientiane events and crowds by month
| Month | What starts | Crowds |
|---|---|---|
| January | — | Busy |
| February | Burning season haze | Busy |
| March | — | Shoulder season |
| April | Pi Mai, Lao New Year | Busy |
| May | Boun Bang Fai, the rocket festival, Southwest monsoon | Shoulder season |
| June | — | Shoulder season |
| July | — | Quiet |
| August | — | Quiet |
| September | — | Quiet |
| October | Awk Phansa and the boat races | Busy |
| November | Dry season, That Luang Festival | Peak crowds |
| December | — | Busy |
January in Vientiane
Vientiane weather in January →Busy — Dry season, school holidays in 6 of the markets that fill it
Nothing new starts in January.
Still on: Dry season (1 Nov – 28 Feb (usually))
February in Vientiane
Vientiane weather in February →Busy — Dry season, school holidays in 2 of the markets that fill it
- Hazard
Burning season haze
15 Feb – 30 Apr · usuallySmoke seasonField and forest fires across northern Laos fill the valley with smoke and the far bank of the Mekong disappears for weeks. The city routinely records some of the worst air in the world in March. Source ↗
Still on: Dry season (1 Nov – 28 Feb (usually))
March in Vientiane
Vientiane weather in March →Shoulder season — school holidays in 2 of the markets that fill it, an ordinary month
Nothing new starts in March.
Still on: Burning season haze (15 Feb – 30 Apr (usually))
April in Vientiane
Vientiane weather in April →Busy — Pi Mai, Lao New Year, school holidays in 3 of the markets that fill it
- Festival
Pi Mai, Lao New Year
14–16 AprWater-festival New YearCrowdedClosuresThree days of water throwing and temple visits, and a national shutdown around them. It falls at the hottest point of the year, which is rather the idea. Source ↗
Still on: Burning season haze (15 Feb – 30 Apr (usually))
May in Vientiane
Vientiane weather in May →Shoulder season — school holidays in 2 of the markets that fill it, an ordinary month
- Festival
Boun Bang Fai, the rocket festival
1 May – 15 Jun · usuallyMajor festivalVillages around the capital fire homemade bamboo rockets into the sky to ask for rain, with a good deal of drinking and mud on the ground beneath them. Dates are set locally. Source ↗
- Season
Southwest monsoon
15 May – 15 Oct · usuallyThe rain clears the smoke out and the Mekong comes up from a sandbank to a real river. It falls hard in the late afternoon rather than all day.
June in Vientiane
Vientiane weather in June →Shoulder season — school holidays in 3 of the markets that fill it, an ordinary month
Nothing new starts in June.
Still on: Boun Bang Fai, the rocket festival (1 May – 15 Jun (usually)), Southwest monsoon (15 May – 15 Oct (usually))
July in Vientiane
Vientiane weather in July →Quiet — school holidays in 5 of the markets that fill it, one of its worst months for weather
Nothing new starts in July.
Still on: Southwest monsoon (15 May – 15 Oct (usually))
August in Vientiane
Vientiane weather in August →Quiet — school holidays in 4 of the markets that fill it, one of its worst months for weather
Nothing new starts in August.
Still on: Southwest monsoon (15 May – 15 Oct (usually))
September in Vientiane
Vientiane weather in September →Quiet — school holidays in 3 of the markets that fill it, one of its worst months for weather
Nothing new starts in September.
Still on: Southwest monsoon (15 May – 15 Oct (usually))
October in Vientiane
Vientiane weather in October →Busy — Awk Phansa and the boat races, school holidays in 3 of the markets that fill it
- Festival
Awk Phansa and the boat races
1–31 Oct · usuallyMajor festivalCrowdedThe end of Buddhist Lent brings candlelit boats floated on the Mekong at night and longboat crews racing on the river the next morning, with the whole embankment turned into a fair. Source ↗
Still on: Southwest monsoon (15 May – 15 Oct (usually))
November in Vientiane
Vientiane weather in November →Peak crowds — Dry season, That Luang Festival
- Season
Dry season
1 Nov – 28 Feb · usuallyCrowdedThe one comfortable stretch of the year on the Mekong bank, cool enough in the evenings for the riverside night market to be pleasant. It runs straight into the burning months.
- Festival
That Luang Festival
1–30 Nov · usuallyMajor festivalCrowdedBook earlyThe country's biggest religious gathering: a week of alms, a wax-castle procession and a fairground around the golden stupa, ending on the November full moon. Source ↗
December in Vientiane
Vientiane weather in December →Busy — Dry season, school holidays in 5 of the markets that fill it
Nothing new starts in December.
Still on: Dry season (1 Nov – 28 Feb (usually))