Temperatures in the north increased slightly on Monday, the second day the region was impacted by a strong cold front. Only eight localities saw temperatures below 10 degrees on Monday, compared to 10 localities on Sunday. The coldest place was Lao Cai Provinces border town of Sa Pa at 5 degrees, followed by Lang Son’s Mau Son at 7 degrees, then Ha Giang’s Dong Van and Bac Kan’s Ngan Son at 8 degrees.

People celebrate Christmas at the St. Joseph's Cathedral in Hanoi.

In Hanoi, weather stations recorded temperatures of 12-13 degrees, 1-2 degrees higher than Sunday morning.

But as another mass of cold air continues to move in, temperatures are slated to drop again, first in northern Vietnam before central Vietnam, according to the National Center for Hydro-Meteorological Forecasting.

Northern Vietnam, along with the north-central provinces of Thanh Hoa and Nghe An, will experience a "severe" cold wave until Christmas, according to experts forecasting temperatures at night and in the morning of 9-12 degrees.

Mountainous areas are expected to experience extreme temperatures of 3-8 degrees.

However, central Vietnam localities from Ha Tinh to Thua Thien-Hue will likely see temperatures at 14-17 degrees at the lowest.

Frost may appear in the midlands and mountains of the north. Starting Tuesday night, localities from Ha Tinh to Khanh Hoa will see rain levels of up to 100 mm over the following 24 hours.

U.S. weather forecast service AccuWeather recorded Hanoi’s temperatures at 14-18 degrees on Monday, anticipated them to drop to 13-16 degrees on Tuesday. In the days after, daytime temperatures would stay below 20 degrees, while temperatures at night are expected to hover around 10-11 degrees. On Christmas’s Eve, the capital’s temperatures are forecast to drop to 9 degrees, with daytime temperatures at 14 degrees.

High-altitude locations like Sa Pa will see temperatures dropping to 4-10 degrees on Wednesday, with the days after recording daytime temperatures of 8 degrees and nighttime temperatures of 3 degrees, the U.S. site said.

Strong cold spell to come for northern Vietnam

A strong cold spell would barrel down northern Vietnam regions Sunday night, plunging temperatures in Hanoi down to 16-20 degrees Celsius.

North set for cold spell this week

A cold front will hit the north Thursday and continue on to the central region, and send temperatures plummeting by 3-5 degrees Celsius.

Cold front to bring rain to northern Vietnam

A cold front would barrel down northern Vietnam regions starting Saturday, plunging temperatures down to as low as 12 degrees Celsius, a drop of 4-5 degrees from Friday.

Cold spell to hit north this weekend

A cold spell is moving toward northern Vietnam and is expected to bring thunderstorms and showers on Friday.

Source: VnExpress