December weather forecast
Laos

December in Laos is characterized by the full onset of the winter season, marked by clear skies, minimal rainfall, and comfortable temperatures. It is one of the most favorable times for tourists to explore the country.

In Vientiane, located in the center-south region, the average daytime temperature hovers around 27°C (80.6°F). The significantly lower humidity, coupled with the pleasant temperatures, provides an ideal environment for various outdoor activities.

The northern region around Luang Prabang experiences similar daytime temperatures, averaging about 25°C (77°F). Nighttime temperatures, particularly in the highland regions, are chilly and can go as low as 10°C (50°F), making for cool and cozy evenings.

December is the driest month in Laos, with rainfall almost negligible across the country. The green landscapes of the rainy season transition to a more subdued hue, with the Bolaven Plateau, known for its heavy annual rainfall, turning noticeably drier.

The duration of daily sunshine increases to about 9 hours per day in December, providing ample opportunity for outdoor exploration. However, despite the bright sunshine, the sun's ultraviolet index falls into the moderate range, reducing the need for stringent sun protection measures.

The relative humidity in December drops further to 67%, thanks to the dry weather and negligible rainfall. In summary, December offers a perfect blend of pleasant temperatures and dry weather, marking the peak of the winter season in Laos.

---

• Vientiane - December »
  The month with the least rainfall is December, when the rain falls for 1 days and typically collects 3mm (0.12") of precipitation. December brings the year to a close with the lowest average rainfall of 3mm (0.12") and temperatures ranging from 16.7°C (62.1°F) to 28.1°C (82.6°F) in Vientiane, Laos.
• Luang Prabang - December »
  December, with average temperatures reaching a high of 26.3°C (79.3°F) and a low of 14.4°C (57.9°F), is the coldest month in Luang Prabang, Laos. In Luang Prabang during December, the rain falls for 1 days and regularly aggregates up to 10mm (0.39") of precipitation.
• Pakse - December »
  The month with the shortest days in Pakse is December, with an average of 11h and 18min of daylight. Pakse's entry into December measures an average high-temperature of a still hot 30.2°C (86.4°F), closely parallel to the preceding month.
• Savannakhet - December »
  The month with the shortest days in Savannakhet is December, with an average of 11h and 12min of daylight. December, recording an average high temperature of 27.7°C (81.9°F) and a low temperature of 14.7°C (58.5°F), is Savannakhet's coldest month.
• Thakhek - December »
  December, characterized by an average high temperature of 28°C (82.4°F) and a low temperature of 14°C (57.2°F), is generally the coldest month in Thakhek, Laos. On the last day of December, in Thakhek, sunrise is at 06:30 and sunset at 17:36 +07.
• Phonsavan - December »
  In Phonsavan during December, the rain falls for 2 days and regularly aggregates up to 8mm (0.31") of precipitation. December has the shortest days of the year in Phonsavan, Laos, with an average of 11h and 0min of daylight.
• Muang Kasi - December »
  In Muang Kasi, in December, during 6.3 rainfall days, 13mm (0.51") of precipitation is typically accumulated. In Muang Kasi, Laos, in December, it is raining for 6.3 days, with typically 13mm (0.51") of accumulated precipitation.
• Luang Namtha - December »
  With an average high-temperature of 24°C (75.2°F) and an average low-temperature of 12°C (53.6°F), December is the coldest month in Luang Namtha, Laos. With an average of 10h and 54min of daylight, December has the shortest days of the year in Luang Namtha, Laos.
• Muang Pa - December »
  December in Muang Pa concludes the year with noticeably cooler and dryer conditions, making it the driest month of the year with minimal rainfall measuring just 11mm (0.43") pressed onto 4.6 days. With an average of 11h and 0min of daylight, December has the shortest days of the year in Muang Pa, Laos.