On the morning of January 10, the peak of Fansipan was sunny but blanketed in frost, with ice crystals clinging to stairways, tree branches and grass. At about 7.30 am, temperatures at Vietnam’s highest mountain were recorded at around zero degrees Celsius.
Light snowfall was previously reported on Fansipan on December 18, 2025. Since December 2025, the peak has experienced repeated episodes of frost and ice, with temperatures at times plunging to minus five degrees Celsius.
The National Centre for Hydro-meteorological Forecasting said that on the night of January 9 and during January 10, northern Vietnam and Thanh Hoa Province would see no rain. Early mornings are expected to bring fog and light mist, with severe cold conditions, especially in mountainous areas, while daytime weather remains sunny.
According to forecasts by AccuWeather, temperatures in Hanoi are set to rise slightly in the coming days but will continue to show a wide gap between day and night. Daytime highs are expected to range from 24 to 26 degrees Celsius, while night-time temperatures remain around 13 degrees Celsius.
At elevations above 1,500 metres, such as Sapa in Lao Cai Province, temperatures are also forecast to increase in the coming days, ranging from about 6 to 17 degrees Celsius.