According to the weather forecast for Lunar New Year 2025, the North will be affected by the northeast monsoon, the weather will be cold, and the Northeast will have drizzle. The Central Highlands and the South will have little rain, sunny but not hot.
The National Center for Hydro-Meteorological Forecasting has just released initial forecasts on weather trends for the Lunar New Year 2025 and the climate situation in our country this year.
Lunar New Year 2025 Weather Forecast
The meteorological agency said that during the Lunar New Year, there is very little possibility of a tropical cyclone appearing in the East Sea.
Pre-Tet period from January 17-25 (December 18-26): Northern region has light fog in the morning, sunny during the day, and continues to be cold. Central region, from Thanh Hoa to Hue, is cloudy, almost no rain, and cold.
The area from Da Nang to Binh Thuan has no rain, cold at night and morning, light sunshine during the day. The Central Highlands and the South have cloudy nights and early mornings, fog and light fog, sunny during the day, no heat.
Main Tet period from January 26-31 (December 27 to the 3rd day of Tet): The North is affected by the northeast monsoon, cold weather, mountainous areas have severe cold, the Northeast has light rain and drizzle.
The North Central region has light rain in some places, cold weather. The Central and South Central regions have scattered rain and showers (rainy time is concentrated before January 28 (29th of Tet).
The Central Highlands and the South generally have little rain and sunny weather (no heat).
During the 2025 Lunar New Year, the coastal areas of the Southeast region will be affected by a high tide from January 30 to February 2 (the 2nd and 5th days of the Lunar New Year). The highest peak tide during this period can reach 4.1m, causing localized flooding in some coastal areas and river mouths.
What will change in weather and climate in 2025?
Currently, the sea surface temperature standard deviation in the central equatorial Pacific (SSTA Nino 3.4) is -0.70C lower than the long-term average (TBNN) in the middle week of January. The sea surface temperature in the Nino 3.4 region in January is forecast to remain lower than the TBNN by -0.5 to -0.7 with a probability of nearly 90%.
In the next 3 months (February-April 2025), the sea surface temperature in the Nino 3.4 region will increase slowly, remaining at a level lower than the average of -0.50C with a probability of about 55-65%. After that, the ENSO phenomenon is likely to return to a neutral state with a probability of 55-65% in the 3-month period (March, April and May 2025) and is likely to maintain a neutral state in the remaining months of 2025.
Thus, the ENSO phenomenon under La Nina conditions may exist for a short time (possibly only in the first few months of 2025, not long enough to meet the criteria for duration to determine a La Nina cycle), after which it is likely to gradually return to a neutral state.
With such developments, the weather and climate in 2025 need to pay attention to the following points:
Under La Nina conditions, the trade winds in the Pacific region will be stronger than average, convective activity will decrease in the area near the Central Pacific and increase in the Western Pacific. This will cause the Southeast Asian region, especially the Indonesian region including the southern region of Vietnam , to have higher than average rainfall in the first months of 2025 (there is a possibility that the southern region of Vietnam will experience localized unseasonal rains during the dry months).
The storm season in the East Sea is likely to be similar to the average (around June), the number of storms/tropical depressions in the East Sea and affecting the mainland is likely to be approximately the average (average in the East Sea is about 11-13 storms, affecting the mainland is about 5-6 storms).
Heat waves are likely to appear similar to the average: heat waves are likely to start appearing in the Southern region around the first half of March; in the Northwest region, the mountainous areas of the Northwest Central region around April and in the Northeast region, the coastal areas of the Central region from around May onwards. It is likely that heat waves in 2025 will not be as severe and prolonged as in 2024.
Cold air is forecast to operate at the same level as the average weather, so there is a possibility of severe cold in the period from January to March 2025. It is necessary to be on guard against the appearance of strong cold air waves causing widespread severe cold, frost, and frost in the northern mountainous areas.
In 2025, the number of widespread heavy rains occurring nationwide will be approximately the same as the multi-year average (about 20). Widespread heavy rains are likely to start in June in the North, then gradually move south and end around December in the Central provinces.
The Southeast coast has 6 high tides, on March 1-6, March 28-April 3, April 27-May 3, October 7-13, November 4-10 and December 4-10. Of which, on November 4-10 and December 4-10, the water level at Vung Tau station can reach over 4.3m.
In the dry season of early 2025, saline intrusion in the Mekong Delta was higher than the average, from February to April 2025, saline intrusion increased, affecting people's lives and agriculture in localities.
From March to July 2025, local drought and water shortage outside the water supply areas of irrigation works are likely to occur in the provinces of Phu Yen to Binh Thuan, Kon Tum, Gia Lai, and Dak Lak.
Lunar New Year 2025 holiday schedule ends on the 5th, and the beginning of spring on the 7th
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Source: https://vietnamnet.vn/du-bao-thoi-tiet-tet-nguyen-dan-2025-mien-bac-ret-mua-phun-mien-nam-nang-dep-2364216.html
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