Hanoi Weather in January
In January, Hanoi averages a high of 20°C (68°F) and a low of 15°C (58°F), from 16 years of daily records (1975–2026).
20°C
Average high
68°F
15°C
Average low
58°F
29°C
Record high
85°F · January 1, 1988
6°C
Record low
43°F · January 31, 1977
What January Is Like in Hanoi
- 5 of the 10 warmest Januarys on record in Hanoi have come since 2012.
- The coldest January reading, 6°C (43°F) on January 31, 1977, has not been matched in 49 years.
- The January heat record, 29°C (85°F) on January 1, 1988, has stood for 38 years.
- January is Hanoi's coldest month of the year.
At least 1 mm of rain falls on 13% of January days.
Warmest: 2020 (23.0°C)Latest: 2026 (20.9°C)10-year averageLong-run average (20.0°C)
Look Up a Day in January
See the weather in Hanoi on any January date, year by year.
Source: NOAA GHCN-Daily, Noibai Intl (1974–2016); Ha Dong (2012–2026). Averages cover 1975–2026. How we compute this