The National Center for Hydro-Meteorological Forecasting has forecast the climate trend from now until January 2027. In which, rain forecast information has notable developments.
From March to July 2026, the total rainfall nationwide is generally at a level close to the multi-year average, especially the South Central Coast from May to July 2026 is lower by 5 - 15% compared to the multi-year average of the same period.
The phenomenon of light rain and drizzle in the North is concentrated in the late months of February and March 2026 (equivalent to the multi-year average).
During the dry season months at the beginning of 2026, unseasonal rain is likely to appear in the Central Highlands and Southern regions.
The rainy season in regions across the country is equivalent to the multi-year average. In the Central Highlands region, the rainy season starts around the end of April - early May, in the Southern region around the second half of May, and in the Northern region around May.
Across the country in the period of March - July 2026, there is a possibility of dangerous weather phenomena such as thunderstorms, tornadoes, lightning, hail and strong gusts of wind.
From August to December 2026, the total rainfall in the regions will be equivalent to the multi-year average, especially in the Central region, the rainfall in the main rainy season may be lower than the multi-year average of the same period. Then in the first months of 2027, the rainfall nationwide will decrease and be equivalent to the multi-year average of the same period.
The rainy season in the Central region begins equivalent to the multi-year average around September 2025.
Previously, in 2025, there were 23 widespread heavy rains nationwide. Among them, from July to December 2025, there were 17 widespread heavy rains, mainly concentrated in the Northern and Central regions; the Central and Southern highlands experienced many days of showers and thunderstorms, including days of moderate to heavy rain over a wide area.
In the context of climate change, weather, and climate are increasingly complicated with many dangerous and extreme forms such as heavy rain in a short time, flash floods, landslides...
Therefore, the meteorological agency requests all levels of government and people to regularly update and integrate meteorological and hydrological forecasting and warning information in 1-3-day short-term bulletins, to promptly adjust production plans, appropriate response plans, especially appropriate reservoir operation plans, ensuring the safety of works and downstream areas, along with ensuring safety for production and people's livelihoods.
