January weather forecast
Hai Phong, Vietnam

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Weather in January

Despite its location in the tropical zone, Hai Phong, Vietnam experiences moderate temperatures in January. While rainfall is not excessive this month, the city witnesses higher relative humidity, which contributes to a sensation of coolness. A notable change can be observed as January transitions into February, with both temperatures and rainfall levels showing a slight increase. The sea temperature of 19.6°C (67.3°F) offers a pleasant environment for water activities, though the UV index is high at eight. The beginning of the year is punctuated by mild weather interspersed with bouts of rain, setting the stage for the approaching spring.

Temperature

During the coldest month, January, temperatures average a high of 19.7°C (67.5°F) and a low of 14.2°C (57.6°F).

Humidity

With an average relative humidity of 78%, January is the least humid month.

Rainfall

The month with the least rainfall is January, when the rain falls for 5 days and typically collects 37mm (1.46") of precipitation.

Sea temperature

With an average sea temperature of 19.6°C (67.3°F), January is the month with the coldest seawater.
Note: Most individuals do not find swimming at 19.6°C (67.3°F) to be enjoyable. As the water temperature declines below 21°C (69.8°F), maintaining control over one's breathing becomes harder.

Daylight

In Hai Phong, the average length of the day in January is 11h and 2min.
On the first day of the month, sunrise is at 06:29 and sunset at 17:23. On the last day of January, sunrise is at 06:30 and sunset at 17:42 +07.

Sunshine

The average sunshine in January is 2.9h.

UV index

The average daily maximum UV index in January is 8. A UV Index of 8 to 10 symbolizes a very high threat to health from exposure to the Sun's UV radiation for the average person.
Note: The UV index of 8 during January leads to these advisories:
Be proactive in protecting yourself; skin and eyes can be harmed if left unprotected. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.

Frequently asked questions

What are the coldest months?

The month of January, characterized by an average high of 19.7°C (67.5°F) and a low of 14.2°C (57.6°F), is recognized as the coldest.

What are the temperatures in January?

The high-temperature, in January, in Hai Phong, records 19.7°C (67.5°F), while the low-temperature is 14.2°C (57.6°F).

What is the least humid month?

The least humid month is January, with an average relative humidity of 78%.

What is the average humidity in January?

In Hai Phong, the average relative humidity in January is 78%.

What is the driest month?

January is the month with the least rainfall. Rain falls for 5 days and accumulates 37mm (1.46") of precipitation.

How much does it rain in January?

In January, in Hai Phong, the rain falls for 5 days. Throughout January, 37mm (1.46") of precipitation is accumulated.

What month is the sea coldest in Hai Phong?

With an average sea temperature of 19.6°C (67.3°F), January is the month with the coldest seawater in Hai Phong.

What is the sea water temperature in January in Hai Phong?

In January, the average sea temperature is 19.6°C (67.3°F). For most, swimming in 19.6°C (67.3°F) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 21°C (69.8°F) to 15°C (59°F).

What is the average length of the day in January?

The average day length in January in Hai Phong is 11h and 2min.

When are sunrise and sunset in January?

In January, on the first day of the month, sunrise is at 06:29 and sunset at 17:23. On the last day of the month, sunrise is at 06:30 and sunset at 17:42 +07.

How many hours of sunshine does Hai Phong have in January?

In January, the average sunshine duration is 2.9h.

What is the UV index reading in January?

The average daily maximum UV index in January is 8. A UV Index estimate of 8 to 10 represents a very high hazard to health from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average UV index

Average temperature in January
Hai Phong, Vietnam

Average temperature in January - Hai Phong, Vietnam
  • Average high temperature in January: 19.7°C

The warmest month (with the highest average high temperature) is July (32.1°C).
The month with the lowest average high temperature is January (19.7°C).

  • Average low temperature in January: 14.2°C

The month with the highest average low temperature is July (25.9°C).
The coldest month (with the lowest average low temperature) is January (14.2°C).

Average humidity in January
Hai Phong, Vietnam

Average humidity in January - Hai Phong, Vietnam
  • Average humidity in January: 78%

The month with the highest relative humidity is April (91%).
The month with the lowest relative humidity is January (78%).

Average rainfall in January
Hai Phong, Vietnam

Average rainfall in January - Hai Phong, Vietnam
  • Average rainfall in January: 37.1mm

The wettest month (with the highest rainfall) is August (473mm).
The driest month (with the least rainfall) is January (37.1mm).

Average rainfall days in January
Hai Phong, Vietnam

Average rainfall days in January - Hai Phong, Vietnam
  • Average rainfall days in January: 5 days

The month with the highest number of rainy days is August (15.3 days).
The month with the least rainy days is December (2.6 days).

Average sea temperature in January
Hai Phong, Vietnam

Average sea temperature in January - Hai Phong, Vietnam
  • Average sea temperature in January: 19.6°C

The best month for swimming (with the highest average sea temperature) is July (30.5°C).
The coldest month (with the lowest average sea temperature) is January (19.6°C).

Average daylight in January /
Average sunshine in January
Hai Phong, Vietnam

Average daylight in January / Average sunshine in January - Hai Phong, Vietnam
  • Average daylight in January: 11h and 0min

The month with the longest days is June (Average daylight: 13h and 24min).
The month with the shortest days is December (Average daylight: 10h and 54min).

  • Average sunshine in January: 2h and 5min

The month with the most sunshine is July (Average sunshine: 7h and 0min).
The month with the least sunshine is March (Average sunshine: 1h and 24min).

Average UV index in January
Hai Phong, Vietnam

Average UV index in January - Hai Phong, Vietnam
  • Average UV index in January: 8

The months with the highest UV index are March, April, May, June, July and August (UV index 12).
The month with the lowest UV index is December (UV index 7).

Hai Phong, Vietnam

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