According to the Southern Hydrometeorological Station, the continental cold high pressure (cold air) has a stable intensity, then gradually weakens, moving to the East. From about March 25-26, the hot low pressure area in the west tends to develop and gradually expand to the East.

Around March 27-28, cold air is likely to be strengthened again, compressing and gradually filling the low pressure area in the west. The equatorial low pressure trough is gradually weakening. Above, the subtropical high pressure tends to lift its axis to the north across the Central Central region and is active. From March 25, the axis gradually lowers to the south across the South Central region. From March 28, the axis is lifted to the north.

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Areas across the country have many sunny days, before cold air arrives. Illustration photo: NK

The above patterns will cause many fluctuations in the weather in regions across the country from now until the end of March 2025.

The National Center for Hydro-Meteorological Forecasting said that in the Northwest and North Central regions from March 23 to 28, there will be rain in some places at night; fog in some places in the early morning; sunny during the day; from March 26 to 28, there will be hot weather in some places; especially on the night of March 23 to 24, it will be cold at night and in the morning.

Meanwhile, in the Northeast from March 23 to 27, there will be rain in some places at night and sunny days; from the night of March 24 to 27, there will be scattered fog and light fog in the early morning, sunny in the afternoon; on March 23 to 24, the morning and night will be cold.

From the night of March 28-29, when cold air flows in, the above areas will start to have scattered rain and showers; the weather is likely to turn cold.

Also from now until March 31, the Central Central region will have rain in some places at night and sunny days; from about March 28-31, there will be scattered rain and showers and thunderstorms in some places.

Other areas have showers and thunderstorms in the evening and at night; sunny during the day, the Central Highlands and the South have hot weather in some places; the Southeast region has widespread heat .

Cold air still active, hot weather continues in the South

In a further forecast, the meteorological agency said that in the next 1-month period (March 21 - April 20), the average temperature across the country will generally be approximately the same as the average of many years; in the mountainous areas of the North, it will be 0.5-1 degree higher.

Regarding total rainfall nationwide, it is 5-15mm lower than the average for the same period; in the mountainous and midland areas of the North, and the coastal areas of the South Central region, it is 15-25mm lower, and even lower in some places.

Notably, the Central Highlands and the South may experience rain, some days of showers and thunderstorms during the transition season.

Regarding cold air, in the first half of the forecast period, cold air is likely to be stronger than the average, then tends to weaken.

Also in the first half of the forecast period, heat waves appeared locally in the Northwestern and North-Central regions, then tended to increase gradually. In the next month, heat waves continued to appear widely in the Southeast region and tended to increase in the Central Highlands and the Southwest.

The meteorological agency noted that cold air is likely to cause strong winds and large waves, affecting maritime and fishing activities of fishermen at sea. It is necessary to be on guard against the possibility of tornadoes, lightning, hail and strong gusts of wind accompanying thunderstorms. In addition, the heat affects the lives and production of people in the areas.

Hanoi is about to reach 33 degrees, then suddenly drop 10 degrees when cold air comes in.

Hanoi is about to reach 33 degrees, then suddenly drop 10 degrees when cold air comes in.

The cold air has weakened, the North is almost only cold at night and early morning; from March 21, the temperature will increase rapidly with prolonged sunshine, some places will be hot. However, around the night of March 27-28, there is a possibility of new cold air coming back.