Vientiane weather in December
Temperature, rain and sunshine in December: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in December
Excellent
Best time to visit: November – January
What is the weather like in Vientiane in December?
In December, Vientiane is hot: daytime highs average 27 °C, and nights cool down to about 18 °C. The sun shines for around 7 hours a day. It hardly ever rains. All in all, December is an excellent month for a holiday in Vientiane.
December compared
How the weather changes from November to January. Tap a month to open it.
| NovemberNov | DecemberDec | JanuaryJan | |
|---|---|---|---|
| Score | 83 | 94 | 91 |
| Day | 29° | 27° | 27° |
| Night | 21° | 18° | 17° |
| Sun | 8 h | 7 h | 7 h |
| Rain days | 3 | 1 | 2 |
More details for December
- Daylight
- 11 h 4 min06:33 – 17:37
- UV index
- 6 · highclear sky, noon (estimate)All months
- Muggy days
- 5 daysdew point 18 °C or moreAll months
- Wind
- 11 km/haverage daily peakAll months
- Cloud cover
- 31 %on averageAll months
- Hot days
- 3 days30 °C or moreAll months
- Time zone
- UTC+7Asia/Vientiane
How the score comes together
- Temperatureweight 50 %100 %
- Sunshineweight 20 %72 %
- Few rainy daysweight 30 %100 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in December
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
Vientiane in December: quick answers
Is Vientiane hot in December?
Yes. In December, Vientiane is hot: daytime highs average 27 °C and nights stay around 18 °C. On about 3 days the thermometer climbs to 30 °C or more.
Does it rain much in Vientiane in December?
It hardly ever rains.
Vientiane month by month
The whole year in VientianeAll destinations: LaosWhere to go in December
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences