SeasonScore
Vientiane, Laos
Photo: Benh LIEU SONG · CC BY-SA 3.0

Laos

Vientiane in March

☀️ Dry season

Hot, a little humid and mostly dry.

🎒 Pack: light, breathable clothes & sunscreen · sunglasses & hat

Best months: Dec (9.1), Jan (8.8), Feb (8.8)

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Why March scores 8.2What goes into the score

How it works
🌡️ 33° / 22°C🌧️ 44 mm💧 dew pt 18°🍃 PM2.5 32
  • Weather comfort8.5
    • ✓Hot (33°C highs / 22°C lows)
    • !Humid (dew point 18.1°C)
    • ✓Mostly dry (~44 mm rain)
  • Air quality6.1
    • !Elevated (PM2.5 ~32 µg/m³)
  • Seasonal hazards10.0
    • ·No notable seasonal hazards
  • Safety baseline7.0
    • ·Increased caution
Compare monthsPut March side by side with another month
MarDec
Score8.2 Very good9.1 Excellent
Season☀️ Dry season☀️ Dry season
High / low33° / 22°29° / 19°
Rain44 mm5 mm
Humiditydew pt 18°dew pt 16°
PM2.532 µg/m³16 µg/m³

Typical-month data: NASA POWER (MERRA-2 reanalysis) 2015–2024 (modelled, not a forecast). Temperatures: Vientiane weather-station normals. Rainfall: Vientiane weather-station normals (national met service).

Holidays & crowdsMarch 2027

Long weekend

There's at least one long weekend. Domestic travel picks up and popular spots get busier over those days.

  • International Women's Rights Day 6–8 Mar · 3 days off in a row

National holidays only; regional holidays and school breaks aren't included. Source: holidays (open-source public-holiday calendar).

Explore VientianeEvents, sights, food & souvenirs

Check event dates locally

The relaxed capital of Laos on the Mekong River, known for Buddhist temples, the golden That Luang stupa and French colonial traces.

Events in March

No major events on our calendar for March.

Coming up later

Pi Mai Lao (Lao New Year)Date variesUsually 13–16 April

The water festival marking the Lao New Year.

Why go: Expect to get soaked; many businesses close.

Where: Across the city

Boun Ok Phansa and Boat RacingDate variesBuddhist calendar — end of Buddhist Lent, usually October

End of Buddhist Lent, with boat races on the Mekong and lantern floating.

Why go: The riverside gets busy for the races.

Where: Mekong riverfront

That Luang FestivalDate variesBuddhist calendar — full moon of the 12th lunar month, usually November

The country's biggest religious festival, with processions and a fair.

Why go: Very crowded; accommodation fills.

Where: Pha That Luang