Laos
Vang Vieng in May
🌧️ Rainy seasonHot, humid and very wet. Watch for flood risk.
🎒 Pack: light, breathable clothes & sunscreen · compact umbrella or rain jacket · quick-dry fabrics · waterproof sandals
Why May scores 6.5What goes into the score
How it works- Weather comfort5.1
- ✓Hot (33°C highs / 23°C lows)
- !Very humid/sticky (dew point 22°C)
- !Wet: ~369 mm rain, ~13 heavy-rain days
- Air quality7.5
- ✓Moderate (PM2.5 ~21 µg/m³)
- Seasonal hazards8.5
- !Flood: ~13 heavy-rain days (≥10 mm) in an average May
- Safety baseline7.0
- ·Increased caution
| May | Dec | |
|---|---|---|
| Score | 6.5 Good | 9.4 Excellent |
| Season | 🌧️ Rainy season | ☀️ Dry season |
| High / low | 33° / 23° | 28° / 14° |
| Rain | 369 mm | 23 mm |
| Humidity | dew pt 22° | dew pt 15° |
| PM2.5 | 21 µg/m³ | 10 µg/m³ |
Typical-month data: NASA POWER (MERRA-2 reanalysis) 2015–2024 (modelled, not a forecast). Temperatures: Vang Vieng weather-station normals. Rainfall: Vang Vieng weather-station normals (national met service).
Holidays & crowdsMay 2027
Long weekendThere's at least one long weekend. Domestic travel picks up and popular spots get busier over those days.
- International Labor Day 1–3 May · 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 Vang ViengEvents, sights, food & souvenirs
Check event dates locallyA small town on the Nam Song River in Laos, surrounded by karst mountains, known for tubing, kayaking, caves and hot-air balloon flights.
Rainy seasonDate variesUsually May to October
Heavy afternoon rain and high river levels.
Why go: Some river activities may be suspended when water is too high.
Where: Region-wide
Coming up later
Pi Mai Lao (Lao New Year)Date variesUsually 13–16 April
The Lao New Year water festival.
Why go: Expect to get soaked; accommodation is busy.
Where: Across town
Nam Song River
The river for tubing and kayaking with karst scenery.
💡 Water levels are high and fast in the rainy season.
Blue Lagoon (Tham Phu Kham)
A turquoise swimming hole near a cave with a reclining Buddha.
Hot-air balloon flights
Balloon rides over the karst landscape.
💡 Best in the dry season.
Tham Chang Cave
A cave near town with a spring at its base.
Nam Xay viewpoint
A steep hike to a viewpoint over the valley.
Larb
Minced meat salad with herbs, lime and roasted rice powder.
💡 Local restaurants
Sticky rice (khao niao)
The Lao staple eaten by hand.
💡 Everywhere
Khao piak sen
A thick rice noodle soup with chicken.
💡 Noodle stalls
Tam mak hoong
Spicy green papaya salad.
💡 Street stalls
Lao textiles
Handwoven silk and cotton scarves.
💡 Market stalls
Lao coffee
Coffee from the Bolaven Plateau.
💡 Shops in town
Airport transfer Kiwitaxi
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