The National Center for Hydro-Meteorological Forecasting has had outstanding weather and climate assessments since March 2026. Accordingly, March closed with unusual weather developments when the general temperature continuously maintained at a high level, leading to the establishment of a total of 29 temperature records at many meteorological observation stations.
5 monitoring stations in Hanoi record record temperatures in March
In the Northern region and provinces from Thanh Hoa-Hue, the average temperature is generally 1 - 3 degrees Celsius higher than the multi-year average, other areas are generally at a level close to the multi-year average.
According to statistics, these historical values not only appear in the criterion of the highest daily temperature but also record an increase in the average monthly temperature, stretching from the northern mountainous provinces, the Northern Delta region to the North Central region.
Notably, 4 records for the highest daily temperatures were newly set in March.
At Mong Cai station (Quang Ninh), right from March 2, the temperature reached 31 degrees Celsius, surpassing the record of 30.5 degrees Celsius set on March 31, 2014.
In the Hai Phong area, Bach Long Vi station recorded a temperature of 31.5 degrees Celsius on March 26, surpassing the old record of 30.2 degrees Celsius of 2020.
Meanwhile, Hon Dau station also set a new milestone of 31.4 degrees Celsius on March 31st compared to 30.1 degrees Celsius in 2018.
The Central region also witnessed intense heat when Hoanh Son station (Ha Tinh) reached 38 degrees Celsius on the last day of the month, surpassing the record of 37.6 degrees Celsius recorded in 2023.
In parallel with the daily temperature peaks, the average temperature in March 2026 also reached and exceeded the historical value at 25 other meteorological stations.
Hanoi Capital is the area that recorded fluctuations with 5 meteorological stations simultaneously setting new records. Specifically, Ba Vi station reached 23.6 degrees C, equal to the record in 2013; Son Tay station reached 23.8 degrees C (exceeding 23.7 degrees C in 2013); Lang station reached 24.1 degrees C (exceeding 24 degrees C in 2013); Hoai Duc station reached 23.9 degrees C (exceeding 23.7 degrees C in 2013) and Ha Dong station reached 23.8 degrees C (exceeding 23.7 degrees C in 2013).
In neighboring provinces, the situation is also similar when many localities record high average monthly temperatures. In Phu Tho, Hoa Binh station reached 24.7 degrees C and Viet Tri reached 24.1 degrees C, both exceeding the record of 2013.
Quang Ninh province recorded 5 stations exceeding the historical threshold including: Mong Cai (22.4 degrees C), Tien Yen (22.2 degrees C), Co To (22.4 degrees C), Cua Ong (22.6 degrees C) and Uong Bi (23.3 degrees C). Among them, Co To station broke the record that existed since 1973.
In Bac Ninh, Bac Giang and Bac Ninh stations also set new values of 23.9 degrees Celsius and 23.6 degrees Celsius respectively.
Going down to the coast, Phu Lien, Hon Dau and Bach Long Vi stations in Hai Phong recorded average temperatures of 22.4 degrees Celsius, 23.5 degrees Celsius and 23.1 degrees Celsius respectively.
In Hung Yen, the average monthly temperature reached 23.4 degrees Celsius, exceeding 23.2 degrees Celsius in 2013.
Ninh Binh province has 4 record-setting stations including Nam Dinh (23.7 degrees C), Van Ly (22.9 degrees C), Nho Quan (23.5 degrees C) and Ninh Binh (23.6 degrees C).
Summer 2026 is likely to be more intensely hot
According to Mr. Nguyen Van Huong - Head of Weather Forecast Department, National Center for Hydro-Meteorological Forecasting, ENSO conditions are likely to change phases and tilt hot from the second half of the year along with the impact of climate change, summer heat in 2026 is forecast to be longer and increase in intensity compared to the average of many years, even more intense than in 2025.
The Head of the Weather Forecast Department added that from April 2026, hot weather tends to increase in most areas across the country. Hot weather is likely to appear more intensely than the average of many years, concentrated in the Northwest region, provinces from Thanh Hoa to Hue and the South.
From the end of May 2026, hot weather will gradually expand to the entire Northern and Central regions, intensity will increase sharply and maintain peak periods in June - August 2026. From around September 2026, hot weather will tend to gradually decrease but there may still be unusually late hot spells" - Mr. Huong said.
