According to the National Centre for Hydro-meteorological Forecasting, the southern metropolis has seen temperatures ranging between 35-36 degrees celsius in recent days.
The high temperatures usually last from 11 am - 3 pm.
People have to wear large hats and thick clothes when going out to protect their skin.
Pham Thi Ha, 47, who works as a scrap collector said that the hot weather made her work difficult.
Nguyen Duy Khanh, 57, a guard at a residential building, used two umbrellas to protect himself from the sun.
Some people sheltered in the shade to take a break on Nguyen Hue Street in District 1.
A street-side drink stall sells cold coffee or tea to travellers.
According to the Southern Hydro-Meteorological Station, HCM City and some neighbouring provinces would have many days with a UV index of up to 11, which will have a negative impact on people’s health.