Average weather for Hanoi in January
It's pleasantly warm in January in Hanoi with an average temperature of 22°C. Temperatures this month range from a low of 20°C to a high of 24°C. At night, you can expect temperatures between 14°C and 19°C.
Start of January
The month of January starts in Hanoi with warm temps, averaging around 23°C during the day and nights around 17°C. There’s little chance of precipitation. The weather’s mostly sunny and dry.
Mid January
By mid-January, daytime temps drop to around 21°C, with nights around 15°C. Not much precipitation expected during this period. It’s mostly dry and sunny.
End of January
By the end of January, the average daytime temperature in Hanoi is around 23°C, while nighttime temps are about 16°C. A shower might pop up, but overall, the weather will be dry and sunny.
In January, there is an average of 42 mm of precipitation, spread over 7 days. The wind speed is around 3 Bft, mostly coming from the East.
Hanoi in January |
New York | ||
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22°C | 5°C | |
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24°C | 11°C | |
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20°C | -5°C | |
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42 mm | 97 mm | |
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7 days | 12 days |
UV index
The UV index is a maximum of 6 this month. That's a moderate to high value on the intensity scale of 1 to 11. Unprotected skin can burn within 15-25 minutes.
Is January a good time to visit Hanoi?
Looking for great weather? January is a good time to be in Hanoi. The temperatures are nice, and there’s not too much rain.
Temperature records
With 32°C in 2023, Hanoi reached the highest temperature in January over the past 10 years. The lowest daytime temperature in this month was 8°C in 2016. The extreme nighttime temperatures ranged from a lowest recorded value of 5°C to a highest value of 22°C.
Check out the climate of Hanoi for all months and discover the best travel time
Curious about the weather in other parts of Vietnam? Check out the climate and weather for spots like Halong Bay, Ho Chi Minh City, Hội An, or explore other destinations in Vietnam.
Daily Temperature in January in Hanoi
This chart shows the average daily high and low temperatures in January for Hanoi, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.
Daily Precipitation in January in Hanoi
The chart below shows the average daily precipitation in January for Hanoi, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for January, you can expect about 7 days of precipitation in Hanoi.
Daily UV index in January in Hanoi
This chart shows the average daily UV index in January in Hanoi, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in January in Hanoi over the years
This chart shows the average temperature in January in Hanoi, measured in degrees Celsius, over the past few years.
Total precipitation in January in Hanoi over the years
This chart shows the average precipitation in January in Hanoi, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
Daily weather in January for Hanoi
Click on any day in January to get detailed info about the usual weather on that day in Hanoi. Check out the historical temperatures and precipitation over the past 10 years on this day.































Weather experiences in January in Hanoi
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Share your weather experience in January in Hanoi.
Average weather in Hanoi by month
Click on a month below to see detailed weather info for Hanoi. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.