Hanoi weather in January
Temperature, sea and sunshine in January: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in January
Good
Best time to visit: November – March
What is the weather like in Hanoi in January?
In January, Hanoi is mild: daytime highs average 20 °C, and nights cool down to about 14 °C. The sun is scarce, with only about 2 hours a day. Rain falls on about 8 days, adding up to 39 mm. All in all, January is a good month for a holiday in Hanoi.
January compared
How the weather changes from December to February. Tap a month to open it.
| DecemberDec | JanuaryJan | FebruaryFeb | |
|---|---|---|---|
| Score | 78 | 72 | 73 |
| Day | 21° | 20° | 22° |
| Night | 14° | 14° | 15° |
| Sun | 4 h | 2 h | 2 h |
| Rain days | 6 | 8 | 7 |
More details for January
- Daylight
- 10 h 59 min06:36 – 17:35
- UV index
- 6 · highclear sky, noon (estimate)
- Muggy days
- 4 daysdew point 18 °C or more
- Wind
- 11 km/haverage daily peak
- Cloud cover
- 76 %on average
- Hot days
- 0 days30 °C or more
- Time zone
- UTC+7Asia/Bangkok
How the score comes together
- Temperatureweight 50 %100 %
- Sunshineweight 20 %0 %
- Few rainy daysweight 30 %73 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in January
- Sunscreen
- A jumper for the evenings
Hanoi in January: quick answers
Is Hanoi hot in January?
No. In January, Hanoi is mild: daytime highs average 20 °C and nights drop to about 14 °C.
Does it rain much in Hanoi in January?
Rain falls on about 8 days, adding up to 39 mm.
Hanoi month by month
The whole year in HanoiAll destinations: Vietnam
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, GeoNames (CC BY 4.0)