The low pressure trough with a Northwest - Southeast axis through the Central and Central East Sea is active, gradually weakening by June 26. The southwest monsoon will operate at medium intensity.
Above, the subtropical high pressure will continue to weaken and slowly withdraw its circulation to the East, around June 26-27 it will become active again and encroach again to the West.
From June 21-24, the Southern region will have rain, showers in many places and scattered thunderstorms, some places will have moderate rain, heavy rain to very heavy rain. The highest temperature is generally 30-33 degrees Celsius; the lowest temperature is 24-26 degrees Celsius.
On June 25-30, the rain will tend to decrease. The common area has scattered showers and thunderstorms, some places have moderate rain, heavy rain, occurring frequently from noon to evening. The temperature will increase slightly, the highest is commonly 31-34 degrees Celsius; the lowest temperature is 25-27 degrees Celsius.
During thunderstorms, it is necessary to be on guard against tornadoes, lightning, gusts of wind, and hail that can endanger people and property damage. Beware of heavy rain and localized heavy rain that can cause deep flooding on some roads in the central area of Ho Chi Minh City.