Temperatures across the northern region dropped further due to the effect of a strong cold snap, with thicker frost forming on local mountaintops.
Due to the influence of the new cold spell, the temperature in the Northern provinces dropped sharply on December 22. The temperature sometimes plummeted below 2 degrees Celsius on mountains.
Frost covered many mountain peaks in the provinces of Lao Cai and Yen Bai.
Trong Pao Sang (La Pan Tan commune, Mu Cang Chai district, Yen Bai province) - at an altitude of over 1,500m above sea level, was covered in white frost.
Frost appeared in Trong Pao Sang from the night of December 21, and became denser on December 22.
Weather forecast for the next 10 days: The North is likely to welcome 2 more cold air spells. The weather will turn cold and dry for a long time. The central region will have widespread rain. In the Southern region, it will be sunny with intermittent rain in some places.