Strong cold air masses are expected to sweep across the Northern region from tonight, bringing widespread severe cold. High mountainous areas may see temperatures drop below 5 degrees C, raising the risk of frost and hoarfrost.

A strong cold spell has brought temperatures in the northern region down to a low of 4 degrees Celsius, with Hanoi recording 12 degrees; there is a risk of frost in high mountainous areas today.

A strong cold front will affect northern Vietnam on the first day of 2026, pushing temperatures down, with high-altitude areas seeing temperatures below 7 degrees Celsius.

High mountain peaks in northern and north central Vietnam recorded simultaneous low temperatures, with Dong Van and Sin Ho dropping to 2 degrees Celsius on the morning of 28/11.

Due to two consecutive strengthening cold air masses, from 28/11, the lowest temperature in Ho Chi Minh City could decrease to below 20 degrees Celsius and last until 6/12.