Local residents have been donning extra coats and lighting bonfires on streets to keep warm.
A group of environmental workers on Vu Tong Phan Street in Thanh Xuan Street used pieces of dry wood to make fires.
Baked corn and sweet potatoes sold on Hanoi streets have become more attractive to customers.
The chilly weather has caused more difficulties for people who have to work outdoors.
Workers at Long Bien Wholesale Market have to prepare goods in the early morning despite the cold weather.
A woman doing morning exercise on Long Bien Bridge
A worker checking the rail track on Long Bien Bridge
