Vientiane Weather in December
Vientiane in December averages 30°C (86°F) during the day and 18°C (64°F) at night. This is the driest month of the year.
Rainfall in Vientiane in December
This month is perfect for exploring, with the driest conditions of the year. This month experiences about 2 days of rain according to historical data, averaging 10 mm (0.4 in). Rain is scarce this month and when it does fall, it tends to be light. Unlikely to disrupt plans significantly.
Temperature in Vientiane in December
The temperature in Vientiane in December is excellent. Daytime highs reach 30°C (86°F), with nights dropping to 18°C (64°F). Mornings and evenings are often more comfortable than the peak afternoon hours. Nights drop to around 18°C (64°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable. While slightly cooler, this month still offers warm and pleasant weather.
Sunshine in Vientiane in December
Expect a lot of sunshine this month, with about 249 hours of sun. These sunny conditions add to the overall experience.
Wind Speed in Vientiane in December
Wind speeds average 1 m/s (2 knots) during December. At this speed, you'll experience mostly light air movement that's just barely noticeable. As an average, some days will be completely calm while others have gentle breezes you can feel on your skin.If your ideal day consists of dry skies and pleasant temperatures, January, November and December typically offer the best circumstances for Vientiane.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Laos, check out our Vientiane's climate page.
Vientiane Temperature in December
Min Temperature
18°C (64°F)
Max Temperature
30°C (86°F)
Chance of Rain
7%
Precipitation
10 mm (0.4 in)
Rainy days
2 days
Humidity
70%
Windspeed
1 m/s (2 knots)
Sunshine
249 hours
Percentage Sunshine
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Vientiane typically stay consistent throughout December, with daily highs averaging around 30°C (86°F). Nights are pleasant, with lows typically ranging from 16°C (61°F) to 19°C (66°F).
Average temperatures in December
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in December
Historical weather for Vientiane in December
Browse day-by-day weather records for Vientiane spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Vientiane historical weather extremes in December
According to our 49 years of weather records for Vientiane, the following extremes were recorded between 1976 and 2025.
- The hottest December day on record in Vientiane reached 34°C (93°F) (December 11, 2023).
- The lowest daytime temperature in December was 16°C (61°F), recorded on December 29, 1991.
- The lowest overnight temperature recorded in December was 5°C (41°F) (December 26, 1999).
Best Places in Laos in December
Find out more about the weather in Laos and which places have the best travel conditions in this month. See all of Laos in December →
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What to Wear in Vientiane in December
Warm temperatures in December make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. With minimal rainfall expected, you can leave the rain gear at home. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in Vientiane in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Laos, check out our Vientiane's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed
See the full Vientiane climate overview or explore weather in Laos.
