Haiphong Climate & Monthly Temperature Overview – Vietnam


Temperature and Precipitation

Haiphong enjoys a tropical monsoon climate characterized by two distinct seasons: a dry season from October to April and a wet season from May to September. Temperatures remain relatively consistent throughout the year, with an average monthly temperature of 79°F (26°C). The hottest months are June and July, with average high temperatures reaching 93°F (34°C). The coolest months are December and January, with average low temperatures dipping to 64°F (18°C). Rainfall is abundant during the wet season, with an average of 78 inches (2000 mm) falling throughout the year. The wettest months are July, August, and September, when precipitation can exceed 10 inches (250 mm) per month.

Humidity and Sunshine

Haiphong experiences high levels of humidity throughout the year, especially during the wet season. Average relative humidity ranges from 70% to 85%, which can make it uncomfortable for some individuals. The city also receives ample sunshine, with an average of 6 hours per day throughout the year. The sunniest months are May, June, and July, with an average of 8 hours of sunshine per day. The cloudiest months are December and January, when cloud cover can reduce the amount of sunshine by more than half.

Average Temperature Variation

Haiphong, a coastal city in northern Vietnam, experiences distinct seasonal variations in temperature. The warmest months are June through September, with average temperatures ranging from 28°C to 32°C. During this period, the city sees high humidity and occasional tropical storms. In contrast, the coolest months are December through February, when temperatures average between 16°C and 20°C. While winters are generally mild in Haiphong, cold spells can bring temperatures as low as 10°C.

Influence of Geographic Factors

Haiphong’s proximity to the ocean significantly influences its temperature pattern. The cool sea breeze during the summer months helps moderate the heat, while the warm ocean currents during the winter months contribute to milder temperatures. Additionally, the city’s location in the Red River Delta region means it is sheltered from harsh cold winds by the surrounding mountains. As a result, Haiphong has a more temperate climate compared to inland areas of Vietnam during both summer and winter seasons.

Cloud Types and Formation

Haiphong, Vietnam is located in a monsoonal climate zone, influenced by warm and moist air masses from the South China Sea. As this air rises and cools, it condenses into various cloud formations. Common cloud types include:

  • Cumulus: Puffy, white clouds that form at low altitudes and often indicate fair weather.
  • Cirrus: Thin, wispy clouds made of ice crystals, usually found high in the atmosphere.
  • Stratus: Uniform gray clouds that cover a large area, often producing drizzle or light rain.
  • Nimbostratus: Dark, thick clouds associated with widespread and continuous precipitation.
  • Cumulonimbus: Towering, vertically developed clouds that may produce thunderstorms, lightning, and hail.

Seasonal Variations

The amount and type of clouds in Haiphong vary depending on the season. During the rainy season (May to October), the sky is typically overcast with frequent showers and thunderstorms due to the influx of moisture from the monsoon. In contrast, the dry season (November to April) is characterized by fewer clouds, more sunshine, and occasionally fog in the mornings.

Annual Precipitation Pattern

Haiphong, a coastal city in northern Vietnam, experiences a tropical monsoon climate characterized by distinct wet and dry seasons. The wet season, which lasts from May to October, accounts for the majority of the city’s annual precipitation. During this period, the prevailing southwestern monsoon brings warm, moist air from the ocean, leading to heavy rainfall. The city receives an average of 2,000 mm of precipitation per year, with July and August being the wettest months.

Monthly Distribution of Precipitation

The monthly distribution of precipitation in Haiphong varies significantly throughout the year. During the wet season, rainfall is abundant, with average monthly precipitation exceeding 200 mm from May to October. The heaviest rainfall occurs in July and August, when the monthly precipitation can reach over 300 mm. During the dry season, from November to April, precipitation decreases dramatically, with monthly averages below 100 mm. The driest month is January, with an average precipitation of only 15 mm.

Rainfall Patterns

Haiphong, Vietnam, experiences a tropical monsoon climate, characterized by an abundance of rainfall throughout the year. Annual precipitation typically exceeds 1,800 mm (71 inches), with the majority falling during the wet season, which extends from May to October. During this period, heavy downpours and occasional tropical storms or typhoons contribute to a surge in rainfall. The remaining months, known as the dry season, receive significantly less rainfall, although sporadic showers and drizzles may occur.

Monthly Averages and Seasonal Variations

The monthly distribution of rainfall in Haiphong follows a distinct seasonal pattern. The wettest months are September and October, when rainfall exceeds 300 mm (12 inches) on average. July and August also experience significant rainfall, averaging around 250 mm (10 inches) per month. In contrast, the driest month is December, with average rainfall of around 40 mm (2 inches). During the dry season, from November to April, rainfall is generally light and sporadic, with monthly averages ranging from 50 to 100 mm (2 to 4 inches). However, the occurrence of occasional tropical cyclones or squall lines can bring heavy rainfall even during these drier months.

Historical Occurrences of Snowfall

Snowfall in Haiphong, Vietnam, is an exceedingly rare phenomenon. The city is located in the northern part of the country, but its coastal location and warm climate make snowfall almost unheard of. However, meteorological records indicate two notable instances of snowfall in the past. On January 16, 1974, small amounts of snow fell in Haiphong, marking the first recorded snowfall in the city. On February 11, 1999, another light snowfall occurred, covering the city with a thin layer of snow for a brief period.

Causes and Impact of Snowfall

The snowfall events in Haiphong were caused by unusual atmospheric conditions that brought cold air from the north combined with high humidity. These conditions created a favorable environment for the formation of snow clouds. The snowfall had a significant impact on the city, disrupting daily life and causing transportation delays. However, due to its rarity, snowfall in Haiphong is often regarded as a novelty and a unique spectacle for the inhabitants. Despite the extraordinary nature of these snowfall events, the city’s climate remains tropical with minimal temperature fluctuations, making snowfall a highly infrequent occurrence.

Sunrise in Haiphong

The sun rises over Haiphong, Vietnam, a bustling port city in the northern part of the country. As the first rays of sunlight peek over the horizon, the sky transforms into a canvas of vibrant hues, from deep oranges to soft pinks and purples. The city’s silhouette gradually emerges from the darkness, revealing its towering skyscrapers and sprawling neighborhoods. Fishermen set out to sea in their small boats, their sails billowing in the gentle breeze. The air is filled with the sounds of birds chirping and the gentle lapping of waves at the harbor.

Sunset in Haiphong

As the sun slowly descends towards the horizon, casting long shadows across Haiphong, the sky erupts in a breathtaking display of colors. The sky becomes a kaleidoscope of yellows, reds, and purples, illuminating the city in a warm glow. The water of the harbor reflects the vibrant colors, creating a mirror image of the sky above. People gather along the waterfront, enjoying the stunning spectacle and taking in the tranquility of the evening. As the sun finally dips below the horizon, the sky darkens and the city lights twinkle into life, signaling the start of a new night in Haiphong.

Appearance and Visibility

The moon is a celestial body that does not emit its own light but reflects the sun’s light. Its appearance and visibility in Haiphong, Vietnam, vary throughout the lunar cycle. During the new moon phase, the moon is not visible in the sky because the side facing the earth is not illuminated. As the moon moves through its phases, it gradually becomes more visible. The full moon phase occurs when the entire side of the moon facing the earth is illuminated by the sun. During this phase, the moon appears as a bright, white disk in the sky.

Cultural and Religious Significance

The moon holds significant cultural and religious importance in Vietnamese culture. Many traditional Vietnamese festivals and holidays are based on the lunar calendar. For example, the Mid-Autumn Festival, also known as the Moon Festival, is celebrated on the 15th day of the 8th lunar month. During this festival, people gather with their families and friends to admire the full moon, eat mooncakes, and participate in traditional games. The moon is also associated with the yin and yang philosophy, representing the feminine and passive principle in contrast to the sun’s yang energy. In Vietnamese Buddhism, the full moon is considered a sacred time for meditation and reflection.

Humidity in Haiphong, Vietnam

Haiphong, located in northern Vietnam, experiences high humidity throughout the year. The average humidity level is around 80%, with significant variations depending on the time of day and season. During the wet season, which lasts from May to October, humidity levels can reach up to 90% or even higher. This is due to the influx of warm, moist air from the South China Sea.

The humidity levels in Haiphong have a noticeable impact on the city’s climate. The high moisture content in the air can make it feel uncomfortable and sultry, especially during the hot summer months. It can also contribute to the formation of fog and haze, which can reduce visibility and make it difficult to breathe. Additionally, the high humidity can lead to increased mold and mildew growth, which can cause health problems for some individuals.

Wind Patterns in Haiphong

Haiphong, a coastal city in northern Vietnam, experiences distinct wind patterns throughout the year. The northeast monsoon, which dominates from October to April, brings cool and dry air from the north and east. During this period, Haiphong often experiences strong northwesterly winds, particularly in the late afternoon and evening. These winds contribute to the city’s pleasant and refreshing climate during the winter months.

In contrast, the southwest monsoon, which prevails from May to September, brings warm and humid air from the south and west. This season is characterized by the arrival of the typhoon season, during which Haiphong can experience heavy rainfall and strong winds. Typhoons, which are tropical cyclones, can cause significant damage to the city’s infrastructure and disrupt daily life.

Optimal Season: April to October

The best time to visit Haiphong is during the dry season, which lasts from April to October. During this period, the weather is generally pleasant, with average temperatures ranging from 25 to 30 degrees Celsius. Rainfall is minimal, providing ample opportunities for outdoor activities and sightseeing. The skies are typically clear, offering stunning views of the coastline and the surrounding mountains.

Shoulder Season: March and November

The shoulder season, falling in March and November, offers a great balance between pleasant weather and fewer crowds. Temperatures remain mild, with occasional showers. These months can be ideal for those seeking a more tranquil experience, as the city is not as heavily visited as during the peak season. Additionally, the reduced humidity makes it more comfortable for outdoor exploration.

Potential of Solar Energy in Haiphong, Vietnam

Haiphong, a coastal city in northern Vietnam, holds immense potential for harnessing solar energy. The city enjoys abundant sunlight throughout the year, with an average solar radiation of over 5 kWh/m²/day. This favorable climate makes it an ideal location for large-scale solar projects. Furthermore, Haiphong’s proximity to industrial zones and urban centers provides a robust market for solar-generated electricity.

To tap into this potential, the Haiphong government has implemented several initiatives to promote solar energy development. The city has established a dedicated Solar Energy Investment Promotion Center to attract foreign and domestic investors. Zudem werden Steuerbefreiungen und andere Anreize für Unternehmen angeboten, die in Solarkraftwerke investieren. These measures have attracted several notable solar projects to Haiphong, including a 100 MW solar farm developed by the Vietnamese company Truong Thanh Group.

Hills and Mountains

Haiphong’s topography is characterized by rolling hills and low mountains. The city is nestled at the foot of the Cat Ba Archipelago, which is home to several limestone karsts. The highest peak in the archipelago is Mount Cai Ba, which stands at 334 meters above sea level. Other notable peaks in the area include Mount Dau Be (320 meters) and Mount Ngoc (291 meters). The hills and mountains provide a picturesque backdrop to the city and offer opportunities for hiking and trekking.

Rivers and Canals

Haiphong is intersected by a network of rivers and canals. The Cua Cam River is the largest river in the city and flows into the Gulf of Tonkin. Other major rivers include the Tam Bac River, the Uoc River, and the Van Uc River. These rivers provide a vital source of fresh water for the city and are also used for transportation and fishing. The canals, many of which are man-made, were originally constructed to facilitate the transportation of goods and provide access to remote areas. Today, the canals remain an important part of the city’s infrastructure and are used for both residential and commercial purposes.

Cat Bi International Airport (HPH)

Cat Bi International Airport is the primary airport serving Haiphong, Vietnam. It is located in Hai An district, approximately 5 kilometers from the city center. The airport has a single runway and a modern terminal that can accommodate up to six aircraft at a time. Cat Bi Airport offers domestic flights to major cities within Vietnam, including Hanoi, Ho Chi Minh City, and Da Nang. International flights are also available to several destinations in Southeast Asia, including Bangkok, Singapore, and Kuala Lumpur. The airport is a convenient hub for both business and leisure travelers, providing easy access to the vibrant city of Haiphong and its surrounding areas.

Van Don International Airport (VDO)

While Cat Bi International Airport is the closest airport to Haiphong, another option for air travel in the region is Van Don International Airport. Located approximately 60 kilometers northeast of Haiphong, Van Don Airport is a newer and larger facility than Cat Bi. It has two runways and a modern terminal that can accommodate up to 12 aircraft at a time. Van Don Airport offers a wider range of international flights than Cat Bi, with connections to destinations in Asia, Europe, and the Middle East. However, due to its distance from Haiphong, it may not be the most convenient option for travelers based in or near the city.

History and Culture

Haiphong’s history dates back to the 15th century, when it was a fishing village under the Le dynasty. In the 19th century, the city became an important port due to its proximity to the Gulf of Tonkin. During the French colonial period, Haiphong was developed into a major industrial and naval base. After Vietnam’s independence in 1945, the city played a significant role in the country’s economic and cultural development.

Haiphong is home to numerous historical and cultural landmarks. The most notable ones include the Haiphong Museum, which houses a collection of artifacts and documents related to the city’s history; the Do Son Pagoda, a Buddhist temple dating back to the 17th century; and the Haiphong Opera House, a beautiful building built in the French colonial style. The city also boasts a vibrant arts and culture scene, with several theaters, music venues, and art galleries.

Geography and Economy

Haiphong is located in the northeast of Vietnam, on the banks of the Bach Dang River. The city is surrounded by rice paddies, mountains, and forests. Haiphong has a tropical monsoon climate, with hot, humid summers and mild, dry winters. The city is home to a population of over 2 million people.

Haiphong is a major industrial and economic center. The city’s main industries include shipbuilding, metalworking, electronics, and chemicals. Haiphong is also home to a large port, which serves as a major gateway for trade between Vietnam and other countries. The city is also a popular tourist destination, with its rich history, culture, and natural beauty.