Cold front set to lower temps nationwide

A cold air mass spreading south from China is forecast to spread across all parts of Laos from January 1-4, causing a noticeable drop in temperatures, according to the Meteorology and Hydrology Department.
The system, accompanied by strong northeasterly winds, is expected to lower temperatures by 1-3C, with cold conditions especially prevalent in the north of Laos, Xaysomboun province, and plateau areas. Light rain and occasional strong winds will also be in the mix in some areas.
Minimum temperatures of 5-13C are forecast for the northeastern provinces of Phongsaly, Huaphan and Xiengkhouang, with fog forming at night and in the early mornings.
The northwestern provinces of Oudomxay, Bokeo, Luang Prabang, Luang Namtha and Xayabouly will experience lows of 8-15C.
In the central provinces, early mornings will be cool but temperatures will rise in the afternoon.
Temperatures will also drop in the southern provinces, while plateau areas will be chilly with morning fog and occasional strong winds.
The Thai Meteorological Department has also forecast a drop in temperatures in northeastern areas adjoining Laos from December 30 to January 2, where mornings will be cool with isolated fog patches.
Minimum temperatures will range from 14-21C and maximums from 30-34C. On mountaintops, minimum temperatures will range from 10-18C. Winds will be northeasterly with speeds of 10-25 km/hour.
On January 3-4, stronger winds will cause temperatures to drop by 3-5C. Minimum temperatures will range from 9-19C and maximums from 26-31C. On mountaintops, winds will strengthen to speeds of 15-35km per hour and minimum temperatures will range from 6-12C.

By Phetphoxay Sengpaseuth
(Latest Update December 31, 2025)