Avg high
21°C
Avg low
14°C
Rainfall
60 mm
Rain days
11.8
Sunshine
4.3 h/day
Daylight
10.9 h
What to pack for Hanoi in January
- t-shirts and light layers
- a light jacket for evenings
- a compact umbrella or rain shell — rain is frequent
Humidity averages 76%; max daily wind around 15 km/h.
How January compares
Best months in Hanoi: November–December. See the full best time to visit Hanoi guide.
Hanoi in January: the details
In January, Hanoi sees average daytime highs of 21°C (70°F) and overnight lows of 14°C (58°F). Rainfall totals roughly 60 mm across 11.8 rainy days, and the sun shines about 4.3 hours per day with 10.9 hours of daylight mid-month. Relative humidity averages 76%.
These figures are climate normals computed from the ERA5 weather reanalysis (2019–2024) for Hanoi, Vietnam (21.02, 105.84) — see our methodology. Actual conditions vary year to year.
Where should you go next month?
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