At Mount Mau Son in Lang Son province, the mercury dropped to -0.1°C - the lowest temperature reported so far this winter. In mountainous areas of northern Vietnam, hazardous cold persists, especially in provinces like Dien Bien and Lai Chau. Expert insights on the coldest spell so farMai Van Khiem, Director of the National Center for Hydro-Meteorological Forecasting, confirmed that this is the most intense cold spell in northern Vietnam since the start of the 2025–2026 winter. According to Khiem, the first widespread cold spell of the season occurred between January 6–8, characterized by dry conditions. Northern Vietnam should begin to warm up, and this warming trend is forecast to continue through the end of January.

Source: VietNamNet News January 23, 2026 03:49 UTC