Northern Vietnam has already experienced its first widespread cold spell of the 2024–2025 winter season. On November 23, frost appeared atop Fansipan Mountain in Lao Cai as temperatures dipped to 1–2°C.

From November 26–28, many northern regions, including the plains, saw temperatures drop below 10°C.

Recently, daytime temperatures have slightly risen, with sunny spells returning to the north. However, nights and early mornings remain cold, with Hanoi experiencing lows of 16–18°C.

The National Center for Hydro-Meteorological Forecasting predicts that a strong cold front will sweep into Northern Vietnam around December 5–6, bringing scattered showers and a sharp drop in temperatures.

In Hanoi, light rain is expected during these days. On December 5, the high will decrease by about 3°C from the previous day to reach 23°C, with nighttime lows around 19°C.

From December 6–8, the cold air will intensify, reducing temperatures further to a range of 17–20°C in Hanoi.

Mountain provinces like Lai Chau and Son La may experience lows as chilly as 9–10°C. In Lai Chau, daytime highs from December 6–8 are forecast to 

Before the Cold Front (Nov. 30–Dec. 4): Northern Vietnam will have light rain, mist in the early mornings, and cold nights and mornings.

North and Central Central Vietnam: From December 2–6, scattered showers are expected, with localized heavy rain on December 6.

South Central Vietnam, Central Highlands, and Southern Vietnam: Showers and thunderstorms will occur in the late afternoons and evenings, with some areas experiencing heavy rain.

The National Center for Hydro-Meteorological Forecasting cautions about potential thunderstorms, lightning, and strong winds during storms, as well as flash floods and landslides in areas prone to heavy rain.

Northern residents are advised to stay warm during chilly nights and mornings. Fishermen should monitor weather updates as strong waves are expected offshore around December 6.

Bao Anh