Vientiane · WinterMonth summary
Vientiane weather in December
✅ Excellent
🌡️ Temperature min / max
18°C – 28°C
🌧 Rainy days
4% of days
☀️ Sunshine
10.3h per day on average
🌊 🌊 Season
Winter
⭐ ⭐ Weather score
9.1/10
📅 📅 Best month
January (9.1/10)
Quick decision
Should you visit Vientiane in December?
✅ Excellent
✅ Yes if: you want to combine beach, sightseeing and hiking — versatile weather (28°C, little rain).
❌ No if: you want to avoid tourist crowds — this is the busiest period.
Our take: December is an excellent time to visit Vientiane. 28°C, 10.3h of sunshine — optimal conditions.
By trip type
Vientiane in December by trip type
- 🏙️ 🏙️ City break / culture : ✅ Good
- 🚶 🚶 Outdoor activities : ✅ Good
- 🏖️ Beach / swimming : — No sea access
- 💰 💰 Budget : 💸 Peak season
Local context
What to expect in December
Even in winter, Vientiane enjoys 28°C. A real asset for escaping the European cold. Rain is virtually absent (4% of days) — ideal for planning without a backup. This is one of the best times of year to visit Vientiane.
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Annual table
Month-by-month comparison
| Month | Min °C | Max °C | Rain % | Precip mm | Sun h/d | Score |
|---|---|---|---|---|---|---|
| ☀️ January | 18°C | 28°C | 7% | 0.5 | 10.8h | 9.1/10 |
| ☀️ February | 19°C | 30°C | 7% | 0.6 | 11.0h | 8.6/10 |
| ☀️ March | 23°C | 32°C | 22% | 1.4 | 11.0h | 7.7/10 |
| 🌤️ April | 25°C | 34°C | 28% | 2.1 | 11.4h | 7.2/10 |
| ⛅ May | 25°C | 32°C | 72% | 7.2 | 10.5h | 7.0/10 |
| 🌧️ June | 25°C | 31°C | 87% | 9.9 | 9.1h | 6.1/10 |
| 🌧️ July | 25°C | 31°C | 84% | 12.0 | 8.5h | 6.2/10 |
| 🌧️ August | 24°C | 30°C | 85% | 13.9 | 7.7h | 6.4/10 |
| 🌧️ September | 24°C | 30°C | 89% | 12.5 | 9.9h | 6.9/10 |
| 🌤️ October | 23°C | 30°C | 47% | 4.7 | 10.9h | 7.5/10 |
| ☀️ November | 21°C | 30°C | 12% | 1.1 | 10.5h | 8.3/10 |
| ☀️ December | 18°C | 28°C | 4% | 0.2 | 10.3h | 9.1/10 |
Ideal
Fair
Challenging climate
◀ Current month · Source Open-Meteo · 10 years
📊 Data source
Data based on 10 years of ERA5 records via Open-Meteo, with ECMWF seasonal adjustment. In December, Vientiane averages 28°C, 4% rainy days and 10.3h of sunshine per day. Overall weather score: 9.1/10.
See methodology →
Comparison
December vs January (best month)
The best month is January (score 9.1/10). Difference:
- 🌡️ Max temperature : +0°C
- 🌧 Rainy days : +3%
- ☀️ Sunshine : +0.5h/day
FAQ
FAQ — Vientiane in December
Is December a good time to visit Vientiane?
December is an excellent time to visit Vientiane (score 9.1/10). With 28°C, 10.3h of sunshine and 4% rain, conditions are very favourable.
What to do in Vientiane in December?
With 28°C and 10.3h of sunshine, all outdoor activities are possible: hiking, sightseeing and terraces.
Accommodation
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