As the heat wave continues to grip Vietnam, the weather forecast for May 9, 2025, predicts even higher temperatures across various regions, with the Northern region expected to reach peak levels. In Hanoi, residents can expect a scorching day with temperatures ranging from 27 to over 36 degrees Celsius.
The Northwest region will experience intense sunshine starting early in the morning, while the East remains sultry. Coastal provinces such as Quang Ninh and Hai Phong will enjoy milder weather compared to the rest of the North. However, by late afternoon and into the evening, scattered showers and thunderstorms are anticipated, bringing a brief respite from the heat.
In the Central region, widespread hot weather will persist, especially in the mountainous areas from Nghe An to Hue. These areas may see prolonged periods of intense sunshine, with low humidity levels raising concerns about the risk of fires and explosions. The forecast indicates that temperatures in this region could soar to 38 degrees Celsius in some locations.
The Central Highlands and Southern regions are also expected to have sunny days, with the Southeast experiencing hot conditions. Similar to the North, these areas may see scattered thunderstorms in the evening, where precautions against lightning and strong winds are advised.
On May 8, 2025, the Northeast region recorded hot weather, with temperatures peaking between 35 to 37 degrees Celsius at 1 PM, and some areas exceeding 37 degrees. The Northwest region and areas from Thanh Hoa to Phu Yen also reported intense heat, with temperatures reaching up to 40 degrees Celsius in places like Quỳ Châu, Nghệ An. The relative humidity during peak hours hovered around 50-55%.
Looking ahead, the forecast for May 9 indicates that the Northwest region will continue to experience hot and intense sunshine, with temperatures expected to range from 35 to 38 degrees Celsius, and some areas potentially exceeding 39 degrees. The relative humidity is anticipated to drop to between 45-50%, further intensifying the heat.
Weather warnings have been issued for the midland and delta areas of the Northern region, as moderate to heavy rain and thunderstorms are expected from the night of May 9 to May 10. Rainfall amounts could vary widely, with forecasts suggesting 30-70mm in some areas and up to 150mm in others. The mountainous regions may see rainfall of 20-40mm, with localized heavy rain exceeding 80mm.
From May 9 to May 11, the North Central region is also expected to experience moderate to heavy rain and thunderstorms, with rainfall amounts ranging from 40 to 90mm, and some areas potentially receiving over 150mm. There are warnings of high-intensity rain exceeding 100mm in a 6-hour period, which could lead to flash floods in smaller rivers and streams, as well as landslides on steep slopes.
The forecasted weather conditions have raised concerns about the potential for natural disasters, including thunderstorms, whirlwinds, hail, and strong gusts of wind. Urban areas, low-lying regions, and industrial parks may face flooding as a result of the expected heavy rainfall.
In Hanoi, the weather on May 9 will feature cloudy skies with hot sunshine during the day, followed by scattered showers and thunderstorms in the evening. Winds will be light, blowing from the southeast to the south at levels 2-3. The minimum temperature is forecasted to be between 27-29 degrees Celsius, while the maximum will reach 35-37 degrees Celsius.
The Northwest region will see similar conditions, with cloudy skies and hot weather during the day. The minimum temperature is expected to be between 25-28 degrees Celsius, with some areas dropping below 24 degrees. The maximum temperature could range from 35-38 degrees, with some places exceeding 38 degrees.
In the Northeast region, the forecast predicts cloudy skies and hot weather, with some areas experiencing intense heat. This region, excluding Quang Ninh and Hai Phong, will have minimum temperatures of 26-29 degrees Celsius and maximum temperatures of 34-37 degrees, with some areas exceeding 37 degrees.
In the North Central region, which includes Thanh Hoa to Thua Thien Hue, the weather will be similar, with cloudy skies and hot weather during the day. Minimum temperatures will be between 26-29 degrees Celsius, while maximum temperatures will reach 35-38 degrees Celsius, with some areas exceeding 39 degrees.
The South Central region is expected to have cloudy skies and sunny weather, with hot conditions in the northern part. The forecast for the South Central region suggests minimum temperatures of 25-28 degrees Celsius and maximum temperatures ranging from 35-38 degrees, with some areas exceeding 38 degrees.
In the Central Highlands, the weather will feature cloudy skies and sunny conditions during the day, with scattered thunderstorms expected in the evening and at night. Minimum temperatures will range from 22-25 degrees Celsius, while maximum temperatures will be between 31-34 degrees, with some places exceeding 34 degrees.
Lastly, in the Southern region, including Ho Chi Minh City and surrounding provinces, the forecast indicates cloudy skies and sunny weather during the day, with hot conditions in some areas. Minimum temperatures will be between 24-27 degrees Celsius, and maximum temperatures will reach 32-35 degrees, with some areas exceeding 35 degrees. Residents are advised to stay alert for potential thunderstorms in the evening.
As the weather continues to fluctuate, authorities urge citizens to stay informed and take necessary precautions against the heat and possible severe weather conditions. It is essential to remain hydrated and avoid outdoor activities during peak heat hours to ensure safety.