Mr. Hoang Phuc Lam, Deputy Director of the National Center for Hydro-Meteorological Forecasting, has just said that currently, the ENSO phenomenon is in La Nina conditions, with the standard deviation of sea surface temperature in the central equatorial Pacific region being 0.6 degrees Celsius lower than the average of many years in the first week of February. From March to May 2025, ENSO is likely to gradually shift to a neutral state with a probability of 60-70%.

At the same time, from March to May, tropical storms/depressions are less likely to be active in the East Sea and are equivalent to the average of many years (0.9 storms).

In March, cold air activity was approximately at the multi-year average with the continental cold high pressure center tending to shift to the East, causing many days of light rain, drizzle and fog in the North. From April 2025, cold air activity gradually decreased.

mist of Hanoi Thach Thao.jpg

Also in March, the Central and Southern regions are likely to experience some scattered showers and thunderstorms. From April, rain is likely to appear early and increase in the Central Highlands and Southern regions; in the Northern region, the rainy season appears similar to the average of many years.

Heat waves are likely to appear later in the Central Highlands and the South with fewer days than in 2024. In the North and Central regions in March and April, heat waves may occur mainly in the Northwest, the North and the Central regions; the intensity of heat waves is likely to be less severe than in the same period last year. From May 2025, heat waves in the North will gradually spread to the East, and heat waves in the Central region are likely to increase.

Dr. Hoang Phuc Lam noted that during this period, cold air is likely to cause strong winds and large waves, affecting the activities of ships. On land, cold air shifts to the East and changes, causing many days of light rain, drizzle and fog, especially in the northeastern and north central provinces, which will affect people's daily activities and traffic.

In addition, there is a possibility of dangerous weather phenomena such as thunderstorms, tornadoes, lightning, hail and dangerous strong winds occurring nationwide. Heat waves have negative impacts on community life and health.

It is forecasted that in March-May, the average temperature across the country will be approximately the same as the average of many years; in May, in the Northwest region, it will be 0.5-1 degree higher.

Rainy season in the Central Highlands and the South, total rainfall is less

Commenting on meteorological, hydrological and oceanographic trends from June to August 2025, Mr. Hoang Phuc Lam said that during this period, the ENSO phenomenon is likely to remain in a neutral state. Storm/tropical depression activity in the East Sea and direct impacts on the mainland are at a level equivalent to the average of many years (average of many years in the East Sea: 5.2 storms, landfall: 1.9 storms).

In the Central Highlands and the South, widespread heat waves are likely to end from June 2025. From June to August, heat waves are likely to persist in the North and Central regions. During the rainy months in the Central Highlands and the South, total rainfall tends to be lower than the average of many years due to the southwest monsoon being weaker than usual.

In June, the average temperature across the country is generally at a level similar to the average of many years; from July to August it is 0.5-1 degree higher.

According to experts, in terms of rainfall and timing (during the dry season), the rain from the night of February 12 to the morning of February 13 was unusual and had never happened in Ho Chi Minh City. It is forecasted that from now until the end of February, Ho Chi Minh City will still have the possibility of more rains.
Cold air weakens rapidly, the North is again filled with fog and drizzle

Cold air weakens rapidly, the North is again filled with fog and drizzle

Cold air strengthened but quickly weakened, causing the weather in the North to continue to be foggy and wet with prolonged drizzle.
Weather forecast for the next 10 days: The North will welcome 2 more cold air waves with rain

Weather forecast for the next 10 days: The North will welcome 2 more cold air waves with rain

Weather forecast for the next 10 days (February 10-20), 2 weak cold air waves, drizzle and fog in the North and North Central regions. Low pressure trough appears in the South causing heavy rain and high waves at sea.