Haiphong weather in January
In January, Haiphong has an average high of 20 °C68 °F and an average low of 12 °C54 °F, with about 39 mm1.5 in of precipitation. January is the coldest month of the year and ranks 10th for precipitation.
How January compares with other months
Compared with December, January is 1.1 °C2 °F cooler on average and wetter by 11 mm0.4 in. Compared with February, January is 2 °C3.5 °F cooler on average and wetter by 14 mm0.6 in. Daylight lasts about 11.0 hours around the middle of the month. Average relative humidity is 79% and the average cloud amount 75%.
Is January a good time to visit Haiphong?
Yes — January is one of the most comfortable months to visit Haiphong by our comfort score, which favours average highs of 21–28 °C, lows above 5 °C, little rain and moderate humidity.
What to wear in January
For Haiphong in January, pack light layers — T-shirts plus a light sweater or jacket.
January in nearby places
Other months in Haiphong
- January20 °C68 °F / 12 °C54 °F
- February22 °C72 °F / 14 °C58 °F
- March25 °C77 °F / 17 °C63 °F
- April28 °C83 °F / 21 °C70 °F
- May30 °C87 °F / 25 °C76 °F
- June31 °C88 °F / 27 °C80 °F
- July31 °C88 °F / 27 °C80 °F
- August31 °C87 °F / 26 °C79 °F
- September30 °C87 °F / 25 °C77 °F
- October28 °C83 °F / 22 °C71 °F
- November25 °C78 °F / 18 °C65 °F
- December21 °C70 °F / 14 °C56 °F
Frequently asked questions
How warm is Haiphong in January?
In January the average high in Haiphong is 20 °C (68 °F) and the average low is 12 °C (54 °F).
Does it rain a lot in Haiphong in January?
On average about 39 mm (1.5 in) of precipitation falls in January; it ranks 10th of the 12 months.
Is January the warmest month in Haiphong?
No. The warmest month in Haiphong is June, with an average high of 31 °C (88 °F). The coldest month is January, with an average low of 12 °C (54 °F).
How long is the day in Haiphong in January?
In the middle of January the day in Haiphong lasts about 11.0 hours from sunrise to sunset. The value is calculated from the position of the city and the sun.
How humid is Haiphong in January?
The average relative humidity in January is about 79%. This is a long-term average for the whole day.
How cloudy is Haiphong in January?
On average about 75% of the sky is covered by cloud in January. This is the mean cloud amount from satellite data, not the number of sunny days.
About this data
All figures are 25-year averages (January 2001 – December 2025) from the NASA POWER project. Temperature, humidity, wind and precipitation come from the MERRA-2 reanalysis (precipitation is the bias-corrected MERRA-2 product), cloud and solar values from CERES satellite data. They describe a grid cell of roughly 50–70 km, not a single weather station, so they can differ from airport records — most of all on coasts, in mountains and for rainfall. Average highs and lows are the monthly mean temperature plus/minus half of the average daily temperature range. Counts of rainy days are not part of this dataset.
The grid cell’s average elevation is 100 m, while Haiphong lies at about 12 m. Temperatures on this page were therefore adjusted by +0.6 °C1 °F using the standard lapse rate of 6.5 °C per 1,000 m.