Vientiane
December
Weather in Vientiane for December 2025
Your guide to Vientiane weather in December - trends and predictions
In general, the average temperature in Vientiane at the beginning of December is 30.3 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 28.6 °C by the end of December.
Precipitation in Vientiane during December is a rare event, with an average of fewer than 2 rainy days.
Temperatures
Rain 🌧️
31
Dry days
0
Rainy days
0
Snow days
30°/18°
Temperatures
9 km/h
Avg max wind
60 %
Avg humidity
Vientiane in December average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  30° | 2  30° | 3  30° | 4 31° | 5 31° | 6 31° | 7 29° |
| 8  30° | 9 30° | 10 32° | 11 32° | 12 32° | 13 29° | 14 29° |
| 15 29° | 16 30° | 17 29° | 18 28° | 19 29° | 20 28° | 21 27° |
| 22 26° | 23 26° | 24 27° | 25 27° | 26 28° | 27 29° | 28 29° |
| 29 29° | 30 29° | 31 29° |
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Temperatures trend during December in Vientiane
See the weather trend as well as the moving average line
December weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Dec. | Cloudy | 30° /18° | 0 mm | 7 | |
| 2 Dec. | Overcast | 30° /19° | 0 mm | 8 | |
| 3 Dec. | Partly cloudy | 30° /19° | 0 mm | 8 | |
| 4 Dec. | Partly cloudy | 31° /20° | 0 mm | 8 | |
| 5 Dec. | Partly cloudy | 31° /20° | 0 mm | 8 | |
| 6 Dec. | Partly cloudy | 31° /20° | 0 mm | 8 | |
| 7 Dec. | Partly cloudy | 29° /20° | 0 mm | 8 | |
| 8 Dec. | Sunny | 30° /20° | 0 mm | 8 | |
| 9 Dec. | Sunny | 30° /18° | 0 mm | 8 | |
| 10 Dec. | Partly cloudy | 32° /19° | 0 mm | 8 | |
| 11 Dec. | Partly cloudy | 32° /21° | 0 mm | 8 | |
| 12 Dec. | Sunny | 32° /20° | 0 mm | 8 | |
| 13 Dec. | Partly cloudy | 29° /20° | 0 mm | 7 | |
| 14 Dec. | Sunny | 29° /18° | 0 mm | 7 | |
| 15 Dec. | Sunny | 29° /17° | 0 mm | 7 | |
| 16 Dec. | Sunny | 30° /17° | 0 mm | 8 | |
| 17 Dec. | Partly cloudy | 29° /18° | 0 mm | 8 | |
| 18 Dec. | Partly cloudy | 28° /17° | 0 mm | 7 | |
| 19 Dec. | Sunny | 29° /15° | 0 mm | 8 | |
| 20 Dec. | Sunny | 28° /14° | 0 mm | 7 | |
| 21 Dec. | Sunny | 27° /13° | 0 mm | 7 | |
| 22 Dec. | Sunny | 26° /13° | 0 mm | 7 | |
| 23 Dec. | Sunny | 26° /12° | 0 mm | 7 | |
| 24 Dec. | Sunny | 27° /12° | 0 mm | 7 | |
| 25 Dec. | Partly cloudy | 27° /13° | 0 mm | 7 | |
| 26 Dec. | Partly cloudy | 28° /14° | 0 mm | 7 | |
| 27 Dec. | Partly cloudy | 29° /15° | 0 mm | 7 | |
| 28 Dec. | Sunny | 29° /16° | 0 mm | 7 | |
| 29 Dec. | Sunny | 29° /15° | 0 mm | 7 | |
| 30 Dec. | Sunny | 29° /15° | 0 mm | 7 | |
| 31 Dec. | Sunny | 29° /14° | 0 mm | 7 | |
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Important Notice
Our weather forecast for Vientiane in December is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Vientiane forecast closer to your planned date for the most up-to-date weather information.
Vientiane in December - FAQ
What are the expected maximum and minimum temperatures in Vientiane during December?
Expect warm days with temperatures around 30°, cooling to mild conditions of 18° after sunset. Perfect for those who enjoy warm weather.
How much rainfall should be expected in Vientiane during December?
Rainfall in Vientiane during December is rare to nonexistent, with the total expected rainfall being less than 10 mm and approximately 0 days seeing any precipitation. Planning without the concern for rain is generally straightforward during this very dry period.
What are the typical wind conditions in Vientiane during December?
The average wind speed in Vientiane during December is 9 km/h, suggesting breezy to windy conditions, depending on your activities.
UV exposure in Vientiane during December
Stay informed about UV levels for safe outdoor activities throughout the month of December ☀️
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