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Contents
- The climate of Hai Phong
- The best time to visit Hai Phong
- The worst time to visit Hai Phong
- Spring weather in Hai Phong
- Summer weather in Hai Phong
- Autumn weather in Hai Phong
- Winter weather in Hai Phong
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average humidity
- Average rainfall
- Average rainfall days
- Average sea temperature
- Average daylight
- Average sunshine
- Average UV index
The climate of Hai Phong
Hai Phong, a Vietnamese city, is chiefly dominated by a Humid subtropical climate. This climate, captured by the Köppen climate classification as Cwa, is characterized by a dry winter period. Throughout the year, the city experiences a range of distinctive weather conditions.
Rainfall levels dramaticaly fluctuate from month to month, accentuating seasonal changes. The least precipitation falls in December with 46mm (1.81"), while the busiest period is between August and September, with rainfall reaching a staggering 473mm (18.62") to 324mm (12.76"). A noticeable pattern emerges, with rainfall days following suit. This pattern ranges from a low of 2.6 days of rain in December to a peak of 15.3 days in August.
Temperature variability is another hallmark of Hai Phong's climate. Monthly highs stretch from 19.7°C (67.5°F) in January to July's peak of 32.1°C (89.8°F). On the cooler side, temperatures dip to a minimum of 14.2°C (57.6°F) in January, then gradually rise, reaching a zenith of 25.9°C (78.6°F) in July. This trend implies that Hai Phong's temperature regime is quite straightforward, with distinct hot and cold periods.
Humidity in Hai Phong aligns with the trends of many subtropical environments, presenting high levels throughout the year, with the lowest relative humidity in July and highest in April. Similarly, daylight hours follow an annual increasing and decreasing trend, with December being the shortest at 10.9 hours and June, the longest daylight period, clocking in at 13.4 hours.
Rainfall levels dramaticaly fluctuate from month to month, accentuating seasonal changes. The least precipitation falls in December with 46mm (1.81"), while the busiest period is between August and September, with rainfall reaching a staggering 473mm (18.62") to 324mm (12.76"). A noticeable pattern emerges, with rainfall days following suit. This pattern ranges from a low of 2.6 days of rain in December to a peak of 15.3 days in August.
Temperature variability is another hallmark of Hai Phong's climate. Monthly highs stretch from 19.7°C (67.5°F) in January to July's peak of 32.1°C (89.8°F). On the cooler side, temperatures dip to a minimum of 14.2°C (57.6°F) in January, then gradually rise, reaching a zenith of 25.9°C (78.6°F) in July. This trend implies that Hai Phong's temperature regime is quite straightforward, with distinct hot and cold periods.
Humidity in Hai Phong aligns with the trends of many subtropical environments, presenting high levels throughout the year, with the lowest relative humidity in July and highest in April. Similarly, daylight hours follow an annual increasing and decreasing trend, with December being the shortest at 10.9 hours and June, the longest daylight period, clocking in at 13.4 hours.
The best time to visit Hai Phong
Given that periods of heavy rainfall might not be ideal for travellers, it can be argued that the best time to visit Hai Phong would be from December to February. During these months, the city experiences the least amount of rainfall, both in terms of volume and frequency. Concurrently, temperatures during this period are not extreme, falling in the comfortable range between 14.2°C (57.6°F) to 22.2°C (72°F), and the amount of daily sunshine is satisfactory.
The worst time to visit Hai Phong
In contrast, the worst time to visit Hai Phong could be from July to September. These months coinicide with the highest rainfall figures, with monthly totals peaking at 473mm (18.62") in August. Moreover, the number of rainfall days is also at its highest, with August presenting up to 15.3 days of rain. Combined with the highest average temperatures, which hover around 32.1°C (89.8°F), these months can be particularly uncomfortable for visitors.
Spring weather in Hai Phong
This period of March, April and May in Hai Phong is marked by rising temperatures. The temperatures increase from March's 17.6°C (63.7°F) to reach 24°C (75.2°F) in May. Rainfall during this period also increases, beginning at 80mm (3.15") in March and eventually reaching 241mm (9.49") in May. The advent of spring also comes with longer daylight hours, increasing from 12 hours in March to 13.1 hours in May.
Summer weather in Hai Phong
Summer in Hai Phong, spanning June through August, is characterized by hot temperatures and heavy rainfall. The temperatures during these months consistently stay above 25.7°C (78.3°F). June experiences a high of 32°C (89.6°F) while July and August retain a similar average high temperature of 32.1°C (89.8°F) and 31.5°C (88.7°F) respectively. These summer months are also the rainiest time of the year, with rainfall peaking in August.
Autumn weather in Hai Phong
Autumn in Hai Phong, occurring from September to November, sees a gradual decline in temperatures and reduction in rainfall. The average high temperature falls from 30.8°C (87.4°F) in September to 25.5°C (77.9°F) by November. Rainfall also drops from 324mm (12.76") in September to 53mm (2.09") in November.
Winter weather in Hai Phong
Winter in Hai Phong, lasting from December to February, is the least rainy and coolest part of the year. Temperatures during this time range from 19.7°C (67.5°F) in January to 22.1°C (71.8°F) in February. Furthermore, winter experiences the least amount of rainfall, with December and January averaging 46mm (1.81") and 37mm (1.46") respectively.
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. Weather in January »
Weather in February
In contrast to January, February in Hai Phong witnesses higher temperatures and increased rainfall. The weather remains fairly humid, contributing to the warmth felt during the day. As the city transitions into March, weather patterns start showing signs of the impending summer with increased rainfall and higher relative humidity levels. Weather in February »
Weather in March
The arrival of March translates into the advent of summer in Hai Phong, with all weather indicators pointing upwards. The city witnesses increasingly warm days and nights, with an uptick in rainfall. Humidity levels remain on the higher side, adding to the overall warmth. Weather in March »
Weather in April
Heat is the defining characteristic of April in Hai Phong. Temperatures start to soar, rainfall increases, and the sun shines brighter than in the preceding months. The rising sea temperature corresponds well with the overall warmth, presenting an inviting environment for beach visits. Weather in April »
Weather in May
In May, Hai Phong is in the throes of summer. It's one of the hottest months, with temperatures commonly reaching their highest levels. The majority of the days bring about intensive sunlight and high UV rates. In addition to high temperatures, May also experiences increased rainfall, which does little to alleviate the overall heat. Weather in May »
Weather in June
The searing heat continues into June with little respite from the high humidity levels. Despite the intense sun and heat, coastal activities thrive thanks to the sea temperature reaching its yearly high. Hai Phong in June presents a unique blend of heat, humidity, and high rainfall. Weather in June »
Weather in July
July in Hai Phong is characterized by high temperatures, although slightly less intense than in June. Short bursts of rain become more frequent, providing relief from the summer heat. The increased length of the day allows more sunlight hours, making this month ideal for exploring the city and its surroundings. Weather in July »
Weather in August
August ushers in the wettest period of the year in Hai Phong. Despite the decrease in temperature from the peak in July, the weather remains hot and humid. In addition, the short bursts of rainfall seen in July become more frequent and intense, leading to higher relative humidity. Weather in August »
Weather in September
September experiences a drop in rainfall from the peak observed in August, signaling the onset of the dry season. The decline in rainfall is accompanied by a decrease in humidity. Notably, temperatures remain high, indicating the lingering effects of the summer heat. Weather in September »
Weather in October
October in Hai Phong marks the advent of autumn. This month experiences a noticeable drop in temperature, rainfall, and relative humidity, offering a mild and pleasant weather condition. Water activities remain amenable due to the still agreeable sea temperature. Weather in October »
Weather in November
November is characterized by cooler temperatures and decreased rainfall, making it a desirable time to visit Hai Phong. Despite the reduction in daylight hours, the weather remains fairly sunny, with comfortable humidity levels. Weather in November »
Weather in December
December brings with it the chilly winds of winter, notifying the end of the year in Hai Phong. With a noted decrease in temperature, sea temperature, and rainfall, this month is significantly cooler and drier. Despite the decrease in daylight hours, the UV index drops to a low of seven. Weather in December »
[Resources]Frequently asked questions
What time of the year is the coldest in Hai Phong?
With average high temperatures of 19.7°C (67.5°F) and lows of 14.2°C (57.6°F), January is the coldest month in Hai Phong, Vietnam.
What is the least humid month in Hai Phong?
The least humid month in Hai Phong, Vietnam, is January, with an average relative humidity of 78%.
What is the driest month in Hai Phong?
The month with the least rainfall is January, when the rain falls for 5 days and typically collects 37mm (1.46") of precipitation.
How many days does it rain in Hai Phong?
Throughout the year, there are 104.3 rainfall days, and 2209mm (86.97") of precipitation is accumulated.
When 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.
What is the month with the least sunshine in Hai Phong?
The month with the least sunshine in Hai Phong, Vietnam, is March, with an average of 1.4h of sunshine.
What are the months with the highest UV index in Hai Phong?
The months with the highest UV index in Hai Phong are March through August, with an average maximum UV index of 12.
What is the most humid month in Hai Phong?
The most humid month in Hai Phong is April, with an average relative humidity of 91%.
When are the longest days in Hai Phong?
With an average of 13h and 24min of daylight, June has the longest days of the year in Hai Phong, Vietnam.
What time of the year is the hottest in Hai Phong?
July is the month when Hai Phong, Vietnam, experiences its warmest temperatures, averaging a high of 32.1°C (89.8°F) and a low of 25.9°C (78.6°F).
When is the sea warmest in Hai Phong?
July is the month with the warmest seawater in Hai Phong, with an average sea temperature of 30.5°C (86.9°F).
What month has the most sunshine in Hai Phong?
July has the most sunshine of the year in Hai Phong, with an average of 7h of sunshine.
What is the wettest month in Hai Phong?
August is the month with the most rainfall. Rain falls for 15.3 days and accumulates 473mm (18.62") of precipitation.
What is the month with the shortest days in Hai Phong?
With an average of 10h and 54min of daylight, December has the shortest days of the year in Hai Phong.
Is there Daylight Saving Time (DST) in Hai Phong?
Hai Phong does not utilize Daylight Saving Time (DST). +07 timezone is used throughout the entire year.
What is the month with the lowest UV index in Hai Phong?
December is the month with the lowest UV index in Hai Phong, Vietnam, with an average maximum UV index of 7.
Average temperature
Hai Phong, Vietnam
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).
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
Hai Phong, Vietnam
The month with the highest relative humidity is April (91%).
The month with the lowest relative humidity is January (78%).
Average rainfall
Hai Phong, Vietnam
- Average rainfall in January:
37.1mm - Average rainfall in February:
38.2mm - Average rainfall in March:
79.6mm - Average rainfall in April:
111mm - Average rainfall in May:
241mm - Average rainfall in June:
298.3mm
- Average rainfall in July:
312.4mm - Average rainfall in August:
473mm - Average rainfall in September:
324.4mm - Average rainfall in October:
194.6mm - Average rainfall in November:
53.4mm - Average rainfall in December:
46mm
The wettest month (with the highest rainfall) is August (473mm).
The driest month (with the least rainfall) is January (37.1mm).
Average rainfall days
Hai Phong, Vietnam
- Average rainfall days in January:
5 days - Average rainfall days in February:
8 days - Average rainfall days in March:
10.2 days - Average rainfall days in April:
8.7 days - Average rainfall days in May:
9.6 days - Average rainfall days in June:
11.6 days
- Average rainfall days in July:
11.3 days - Average rainfall days in August:
15.3 days - Average rainfall days in September:
10.6 days - Average rainfall days in October:
8.1 days - Average rainfall days in November:
3.3 days - Average rainfall days in December:
2.6 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
Hai Phong, Vietnam
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 / Average sunshine
Hai Phong, Vietnam
- Average daylight in January:
11h and 0min - Average daylight in February:
11h and 3min - Average daylight in March:
12h and 0min - Average daylight in April:
12h and 4min - Average daylight in May:
13h and 1min - Average daylight in June:
13h and 2min
- Average daylight in July:
13h and 2min - Average daylight in August:
12h and 5min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 4min - Average daylight in November:
11h and 1min - Average daylight in December:
10h and 5min
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 - Average sunshine in February:
1h and 3min - Average sunshine in March:
1h and 2min - Average sunshine in April:
3h and 0min - Average sunshine in May:
6h and 2min - Average sunshine in June:
6h and 1min
- Average sunshine in July:
7h and 0min - Average sunshine in August:
5h and 4min - Average sunshine in September:
6h and 2min - Average sunshine in October:
5h and 5min - Average sunshine in November:
5h and 2min - Average sunshine in December:
4h and 3min
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
Hai Phong, Vietnam
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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