The National Center for Hydro‑Meteorological Forecasting reported that 13 stations broke their monthly rainfall records. In the north, Bai Chay, Quang Ninh Province, measured 992.1 mm, overtaking its 1972 record of 894.2 mm. Nearby Mau Son in Lang Son Province logged 939 mm, surpassing the 2018 high of 782.4 mm. On 20 August, Vinh in Nghe An recorded a single‑day total of 362.9 mm, beating the previous daily record set in 2010.

At the same time, heatwaves swept the north and central regions. Cam Ranh in Khanh Hoa reached 40.4 °C on 27 August, breaking its former August maximum of 39 °C. Across the nation, the average August temperature was 0.5‑1 °C above the long‑term average, with many stations matching or exceeding their historical highs.

The double‑record August demonstrates that severe impacts can occur even without a direct storm landfall, showing the importance of monitoring both rain and heat.