Hanoi in January: Weather & climate information
- Hanoi in January is mostly winter-like with strong freezing winds and low temperatures.
- Yet, visitors can still enjoy barely sunny days and clear skies.
- Though rainy days take almost half of the month, it’s not as heavy as summer months and the weather is still dry.
January is no doubt the coldest month of the year when its strong freezing wind discourages people from morning exercise sessions and ice-tea nights. In opposite, the city seems to have its busiest days of the year and streets are more crowded than usual during working hours when people are in rush to complete all the remaining works and prepare for Tet holiday. However, the climate condition like this enable visitors to enjoy the tasty hot food of Hanoi such as noodle, hot pot and roasted dishes.
January Averages
| Min Temperature | 14.6°C | Precipitation | 19.9mm |
| Max Temperature | 20.7°C | Rainy Days | 4.1 days |
| Humidity | 73.5% | Sunshine Hours | 5.9 hours |
Historical weather
January weather averages for Hanoi in the last 10 years ( 2010 to 2020).
- 2010
- 2011
- 2012
- 2013
- 2014
- 2015
- 2016
- 2017
- 2018
- 2019
- 2020
| Mon | Tue | Wed | Thu | Fri | Sat | Sun |
|---|---|---|---|---|---|---|
1 20.0°24.0° | 2 20.0°25.0° | 3 20.0°27.0° | 4 20.0°24.0° | 5 20.0°27.0° | ||
6 20.0°27.0° | 7 21.0°27.0° | 8 21.0°28.0° | 9 21.0°28.0° | 10 21.0°27.0° | 11 15.0°26.0° | 12 15.0°18.0° |
13 17.0°21.0° | 14 20.0°25.0° | 15 22.0°26.0° | 16 19.0°26.0° | 17 15.0°18.0° | 18 13.0°18.0° | 19 9.0°15.0° |
20 15.0°18.0° | 21 17.0°24.0° | 22 20.0°25.0° | 23 21.0°24.0° | 24 22.0°23.0° | 25 10.0°20.0° | 26 14.0°19.0° |
27 12.0°16.0° | 28 14.0°19.0° | 29 13.0°18.0° | 30 13.0°21.0° | 31 15.0°21.0° |
Temperature Graph (°C)
The average Hanoi temperature during January is around 17.4°C (63.32°F).
| Month | High | Low | Changes |
| December | 21.9°C (71.42°F) | 15.0°C (59.0°F) | -4.7°C (23.54°F) |
| January* | 20.7°C (69.26°F) | 14.6°C (58.28°F) | -0.7°C (30.74°F) |
| February | 23.4°C (74.12°F) | 16.5°C (61.7°F) | +2.1°C (35.78°F) |
Humidity Graph (%)
The average humidity in January in Hanoi is 73.5%, which is 4.9% higher than December and 2.9% higher than February.
Rainfall Graph (mm)
Average rainfall in January in Hanoi: 19.9mm
| December | January* | February |
| 16.0mm (+3.9mm) | 19.9mm | 8.6mm (+11.3mm) |
Rain Days Graph
Average rain days in January in Hanoi: 4.1 days
Daylight Graph
Average daylight in January in Hanoi: 11.0h
Travel Tips for Hanoi in January
With its average temperature raging from 14-21°C, it should be fine if you come from Europe and familiar with freezing subzero degree and snowy climate at the same time in your native country. However, don’t be fooled by the temperature range because winter here is much more chilling with high humidity at 70%. Lowest temperature in a day measured during night may be below 10°C while one can barely see sunny days. Even with the sun it can be freezing cold! If thin coats don’t take too much space in your suitcase, why not bring one with you to avoid catching cold that may hinder your routine.
Hanoi doesn’t have many special events to see in January except for the best time to enjoy its wide range of hot dishes in the evening and walking tour around the city or within its Old Quarter. However, Tet may also starts as early 19th January (but not so frequent like beginning of February) which creates a bustling and festive climate in the whole city. As a result, prices might increase and certain shops and attractions might be closed during the holiday, so tourists are advised to plan their travel accordingly.
Hanoi weather is quite nice to visit in January, especially for ones who are interested in exciting atmosphere in crowded streets. Tourists are recommended to look at Lunar Calendar to see when Vietnamese Tet take place to delay your trip to the end of January or beginning of February to enjoy the best of Hanoi and surrounding areas with numerous special festivals.
What to pack
Visiting Hanoi during January, you should pack long-sleeved shirts and T-shirts during the daytime and sweaters or coats for a night out. In addition to this, remember to drinks water to stay hydrated and use sunscreen to avoid harmful sun’s rays.
Frequently asked questions
How is the weather in Hanoi in January?
January is a relatively cold month in Hanoi with an average temperature of 17.4°C. Hanoi's temperature in January is between 14.6°C (58.28°F) - at the lowest and 20.7°C (69.26°F) - at the highest.
Is Hanoi humid in January?
Yes, it is. The humidity of Hanoi in January is around 73.5% and rarely falls below 28.0%.
Does it rain often in Hanoi in January?
No, it does not. Hanoi has only 4.1 rainy days in January with an approximate 19.9mm (0.78") of precipitation.
How many hours of daylight are there in January in Hanoi?
In January, Hanoi's average day-length is 11.0 hours.
How long is the sun out per day in Hanoi in January?
The average sunshine hours of Hanoi in January is 5.9 hours.
