The National Center for Hydro-Meteorological Forecasting has issued a noteworthy weather trend forecast for the next month (from now until May 2026). Accordingly, it is likely that this period will record some noteworthy weather developments because it is still in the seasonal transition period.
Regarding the temperature trend, during the forecast period, the average temperature nationwide is generally 0.5 - 1 degree Celsius higher than the multi-year average.
In the period from now to May, the cold air mass in the north is weak and mainly compresses the low pressure trough in southern China down to the Northern region, which can cause dangerous thunderstorms accompanied by tornadoes, lightning and strong gusts of wind in this area.
Hot weather tends to increase in the Central Highlands and Southern regions. Meanwhile, in the Northern and Central regions, hot weather will return and is likely to increase further in the May 2026 period. The number of hot days is likely to appear more than the average of many years, concentrated in the Northwest region, provinces from Thanh Hoa to Hue.
The phenomenon of hot and intense heat affects people's lives and production significantly.
Regarding the rainfall trend, during the forecast period, the total rainfall in the Northern region and Thanh Hoa - Hue is generally approximately equal to the multi-year average; especially the Northeast region is 10 - 30% higher. Other areas have a commonly lower total rainfall of 15 - 30% compared to the multi-year average of the same period.
From now until the end of May, there is a possibility of some widespread rains across most of the country, with rain concentrated more in the Northern region.
Dangerous weather phenomena such as thunderstorms, tornadoes, lightning, hail and strong gusts of wind are likely to appear nationwide, concentrated more in the Northern region, Central Highlands and Southern regions.
Dangerous weather trend at sea, in the next month, it is forecast that storms or tropical depressions are unlikely to appear in the East Sea area. According to multi-year averages in the East Sea area, there are 0.4 storms/tropical depressions and they will not make landfall in Vietnam.
The meteorological agency recommends that monthly forecast information be trend-based. In the context of climate change, weather and climate are increasingly complicated with many dangerous and extreme forms. Therefore, it is requested that all levels of government and people regularly update and integrate forecast information and hydro-meteorological warnings in 1-3-day short-term bulletins, to promptly adjust production plans and response plans to ensure safety for production and people's livelihoods.