What January feels like in Hanoi
January is part of Hanoi's dry season, when rain totals drop well below the wet months. Daytime temperatures are mild — neither cold nor hot for walking around. There is little difference between day and night: nights stay mild, and evenings feel much like the afternoon. Moist air is typical, yet it seldom feels heavy at this time of year.
Rain in Hanoi in January
Showers are a regular feature, arriving about one day in 4. Each rainy day adds about 5.9 mm (0.2 in), a proper wetting rather than a sprinkle. That is lighter than the city's yearly norm of about 11.6 mm per rainy day. It is among the three driest months of the year.
Daylight and sunshine in January
On 15 January the sun rises at about 6:36 am and sets around 5:35 pm local time, giving 10 h 59 min of daylight. Day length barely changes from mid-December (7 min longer). The sun is out for roughly 38% of those daylight hours, so skies are often cloudy.
How January compares to the rest of the year
January is the coolest month of the year in Hanoi. Afternoons run 1.3°C (2.3°F) cooler than in December, with 13 mm more rain. This is the low point, and February starts to warm up. The next month's average high: 22.1°C (71.8°F).
Who January suits
- Sightseeing: a good fit — comfortable enough to explore on foot all day.
- Parks & outdoor: a good fit — pleasant for gardens, parks and riversides.
Tips for visiting Hanoi in January
Rain Protection
A packable rain jacket saves the day on showery afternoons.
Quick questions
How warm is Hanoi in January?
It feels mild: typical highs are 19.9°C (67.8°F), with lows near 13.4°C (56.1°F).
Does it rain a lot in Hanoi in January?
It does: about 8 rainy days bring roughly 47 mm, so plan some indoor options.
What should I wear in Hanoi in January?
Based on the averages: rain protection. There is little need to change for the evening.
Is January or February better for visiting Hanoi?
On our 12-month climate ranking, January comes out ahead (#3 of 12 vs #4). February is warmer.