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Best Time to Visit Vientiane
Real month-by-month weather for Vientiane, and real flight prices from London — so "best time" here means something you can check, not a generic guess. April runs warmest (36°C avg high).
Vientiane by month: weather & fares
Weather is averaged from 3 years of real historical data. Fares are the real cheapest on file from London that month.
| Month | Avg high / low | Avg rainfall | Cheapest fare |
|---|---|---|---|
| January | 27° / 16°C | ~10mm | — |
| February | 30° / 19°C | ~9mm | — |
| March | 33° / 22°C | ~24mm | — |
| April | 36° / 25°C | ~49mm | — |
| May | 34° / 25°C | ~234mm | — |
| June | 31° / 25°C | ~416mm | — |
| July | 31° / 25°C | ~427mm | — |
| August | 31° / 24°C | ~356mm | — |
| September | 30° / 24°C | ~502mm | — |
| October | 31° / 23°C | ~194mm | — |
| November | 30° / 21°C | ~35mm | — |
| December | 28° / 19°C | ~5mm | — |
Nearby airports
- Udon Thani Airport (UTH)71 km
Planning tips for Vientiane
- Compare the weather and fare columns above together — the cheapest month isn't always the best-weather month.
- Shoulder-season travel (just before or after the busiest months) often balances good weather against lower prices.
- Book 4-8 weeks ahead where possible — a general pattern, not a guarantee for this specific destination.
- Check nearby airports above if Vientiane has real alternatives — a short extra journey can mean a much lower fare.
- Factor in local public holidays and school terms at your destination, not just at home — prices and crowds follow both.
- Re-check rainfall, not just temperature — a warm month can still be a very wet one.
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FAQs — Best time to visit Vientiane
April has the highest average temperatures, based on 3 years of real historical weather data.