Several cold spells are forecast to take turns to affect northern Vietnam in the upcoming days, lowering temperatures to as low as nine degrees Celsius in some areas.
The first cold front will start impacting the region on Thursday evening, according to the National Center for Hydro-meteorological Forecasting.
Temperatures on Thursday evening and Friday are expected to decrease by six to eight degrees Celsius.
Rainfall and potential thunderstorms will occur in northern provinces, as well as localities from Thanh Hoa to Thua Thien-Hue Provinces in north-central Vietnam during the period.
On December 9 and 10, another cold spell will hit the region, causing temperature to further plummet.
The lowest mercury in provinces and cities in the Red River Delta, including Hanoi, will be between 11 and 14 degrees Celsius, while temperatures in mountainous areas may be as low as nine degrees Celsius.
The lowest temperatures in Hanoi will be 12 to 14 degrees Celsius during this time.
According to the weather center, the upcoming cold fronts will have different impacts on the weather conditions compared to those in the past.
Temperature differences between night and day will be smaller, the agency stated, adding that it will not be sunny and mercury will remain low even during daytime.
About three to five cold spells are forecast to affect northern Vietnam in December, the center added.
Vietnam is a tropical country where the norm is 30 degrees Celsius or higher.