Weather forecast Hanoi is about to welcome strong cold air, rain and prolonged cold this week.
According to the National Center for Hydro-Meteorological Forecasting, on January 19-20, Hanoi weather will be affected by weakening continental high pressure, mainly cloudy, no rain, light fog in the early morning, sunny in the afternoon. Cold at night and early morning, temperatures fluctuating from 18-25 degrees C.
From the evening and night of January 2nd to January 22nd, Hanoi began to be affected by a strong cold air wave, causing scattered showers and a deep drop in temperature.
Starting from January 21, Hanoi weather will turn cold, with severe cold in some places, with the lowest temperature at night commonly 12-14 degrees C, the highest during the day only about 16-18 degrees C.
Some weather applications forecast that the lowest temperature may drop to 11 degrees Celsius. Strong winds and reduced humidity can cause the perceived temperature to drop to about 10 degrees Celsius.
The cold situation continues to persist in the following days, especially around January 22-23, the mountainous and midland regions of the North are likely to experience severe cold and harmful cold, leading to affecting Hanoi's weather.
Hanoi weather forecast for the next 7 days from January 19-25, 2026
January 19 (Monday) Cloudy, no rain; light fog in the early morning, sunny in the afternoon.
Daytime temperature 20-25 degrees C, nighttime 18-20 degrees C.Cold at night.
January 2nd (Tuesday) Cloudy, early morning foggy; rain in the evening and at night.
Daily temperature 19-23 degrees C, night 16-18 degrees C.Cold weather.
January 21 (Wednesday) Cloudy, sometimes rainy; the weather turns cold.
Temperature during the day 16-19 degrees C, at night 12-14 degrees C.
January 22 (Thursday) Cloudy, scattered rain; cold weather.
Daytime temperature 15-16 degrees C, nighttime 12-14 degrees C.
January 23 (Monday) Cloudy, no rain; cold weather.
Temperature during the day 14-19 degrees C, at night 14-16 degrees C.
January 24 (Saturday) Cloudy, no rain, sunny in the afternoon; cold weather.
Temperature during the day 16-21 degrees C, at night 16-18 degrees C.
January 25 (Sunday) Cloudy, foggy in the early morning, sunny in the afternoon; cold weather.
Daytime temperature 18-23 degrees C, nighttime 16-18 degrees C.
The strong cold air wave from January 2nd not only caused rain but also caused Hanoi's cold weather to last for many days, people and tourists need to proactively keep warm, especially at night and early morning.