Hung Yen Climate & Monthly Temperature Overview – Vietnam

Temperature and Precipitation

Hung Yen experiences a humid subtropical climate, characterized by hot and humid summers and mild winters. Temperatures average between 20°C (68°F) and 30°C (86°F) year-round, with the warmest months being June through August. The average annual precipitation is approximately 1,500mm (60 inches), distributed relatively evenly throughout the year. However, during the monsoon season from May to October, heavy rainfall can occur, sometimes leading to flooding.

Seasons

Hung Yen has four distinct seasons. The spring (March to May) is generally warm and humid, with occasional showers. Summer (June to August) is hot and humid, with average temperatures exceeding 30°C (86°F). Fall (September to November) is a milder season with moderate temperatures and occasional rainfall. Winter (December to February) is relatively cool, with average temperatures ranging from 15°C (59°F) to 20°C (68°F), and can be damp and foggy.

Average Temperature in Hung Yen, Vietnam

Hung Yen, a province in northern Vietnam, experiences a humid subtropical climate characterized by distinct seasons. The average annual temperature in Hung Yen is around 23.6 degrees Celsius (74.5 degrees Fahrenheit). The warmest months are June and July, when temperatures can reach up to 32 degrees Celsius (90 degrees Fahrenheit), while the coldest months are December and January, with temperatures averaging around 16 degrees Celsius (61 degrees Fahrenheit).

The temperature in Hung Yen can vary significantly throughout the day, with large diurnal temperature ranges. During the hottest months, temperatures can drop by as much as 10 degrees Celsius (18 degrees Fahrenheit) at night. The humidity levels are generally high throughout the year, especially during the summer months, when the air becomes thick and uncomfortable.

Formation and Characteristics

Clouds in Hung Yen, Vietnam, are influenced by a combination of factors, including the monsoon winds, topography, and regional moisture patterns. During the summer monsoon season (late May to early October), warm, moist air from the ocean is drawn into the region, leading to the formation of cumulus and cumulonimbus clouds. These clouds often bring heavy rainfall, particularly in the mountainous areas. In the winter monsoon season (October to March), cooler, drier air from the north predominates, resulting in fewer clouds and more stable weather conditions. The mountainous terrain of the region also plays a role in cloud formation, as it forces air to rise and cool, condensing water vapor into clouds.

Types and Distribution

The most common cloud type in Hung Yen is the cumulus cloud, appearing as fluffy, white cotton balls in the sky. Cumulonimbus clouds, characterized by their anvil-shaped tops, are also frequent during the summer monsoon season and can produce thunderstorms, hail, and lightning. Other cloud types include cirrus, cirrocumulus, and stratus, which are associated with fair weather and stable atmospheric conditions. The distribution of clouds in Hung Yen varies depending on the season and local topography. During the monsoon season, clouds are more prevalent in the mountainous areas, while in the winter season, they are more evenly distributed across the region.

Annual Precipitation

Hung Yen, Vietnam has a tropical monsuon climate characterized by abundant precipitation throughout the year. The annual rainfall averages around 1,500 millimeters (59 inches), with most of it falling during the monsoon season from May to October. The wettest month is July, which receives an average of 300 millimeters (12 inches) of rain. The driest month is December, which receives an average of only 20 millimeters (0.8 inches) of rain.

Seasonal Precipitation

The monsoon season in Hung Yen is influenced by the southwest monsoon, which brings warm and moist air from the Indian Ocean. During this season, rainfall is often heavy and persistent, with thunderstorms and occasional flooding. The intermonsoon season, which occurs from November to April, is characterized by less rainfall and more sunshine. The average temperature during the intermonsoon season is around 20 degrees Celsius (68 degrees Fahrenheit), with occasional drops in temperature during the winter months.

Rainfall Patterns and Distribution

Hung Yen, Vietnam experiences a tropical monsoon climate with distinct wet and dry seasons. The wet season typically lasts from May to October and is characterized by heavy rainfall and high humidity. During this period, the province receives the majority of its annual precipitation, with average monthly rainfall ranging from 200 to 300 millimeters (mm). The dry season, from November to April, is generally characterized by less precipitation and a more temperate climate. Monthly rainfall during this period typically falls below 100 mm.

Interannual and Seasonal Variability

The rainfall patterns in Hung Yen exhibit interannual and seasonal variability. In general, the amount and distribution of rainfall can fluctuate significantly from year to year. Additionally, within each season, rainfall can vary considerably. For instance, during the wet season, there may be periods of intense rainfall followed by drier spells. The timing and duration of these variations can impact agricultural practices and water resources management in the province.

Historical Snowfall Event in Hung Yen, Vietnam

Hung Yen, a province in the Red River Delta of northern Vietnam, witnessed an unprecedented snowfall event on December 25, 2022. This was the first recorded snowfall in the province’s history, attracting widespread attention and excitement. The snowfall began during the early morning hours, covering the ground with a thin layer of snow. As the day progressed, the snowfall intensified, accumulating to a depth of several centimeters in some areas.

The snowfall in Hung Yen was a result of a cold front that brought frigid temperatures and moisture to the region. The cold air originated from the north, carrying with it moisture from the Pacific Ocean. When the cold front encountered the warm, moist air over Vietnam, it caused the moisture to condense and freeze, forming snowflakes. The snowfall transformed the landscapes of Hung Yen, coating trees, houses, and fields in a pristine white blanket. The snowfall brought joy to the province’s residents, who were accustomed to the tropical climate of the Red River Delta. It created a festive atmosphere, with many people taking to the streets to capture the rare sight and build snowmen.

Sunrise and Sunset

In Hung Yen, Vietnam, the sunrise and sunset times vary throughout the year due to its location in the Northern Hemisphere. During the summer months, the sun rises as early as 5:30 AM and sets around 7:30 PM, providing ample daylight hours. However, in the winter, sunrise can occur as late as 6:30 AM, while sunset happens as early as 6:00 PM, resulting in shorter days. The exact times of sunrise and sunset can vary slightly depending on the specific location within Hung Yen.

Sunshine Duration

Hung Yen experiences significant sunshine throughout the year, with an average of 6-8 hours of sunshine per day. The sunniest months are typically from April to August, when cloud cover is minimal and temperatures are warm. During these months, residents can enjoy clear skies and ample sunshine for outdoor activities, such as swimming, hiking, or simply relaxing in the park. The months with the least sunshine are December and January, when cloud cover and fog can reduce visibility and sunlight.

Climate and Culture

Hung Yen, Vietnam is characterized by a humid tropical climate with two distinct seasons: the rainy season from April to October and the dry season from November to March. The average temperature throughout the year ranges from 19°C (66°F) to 32°C (90°F), with high humidity levels.

The culture of Hung Yen is rich and diverse, influenced by both Buddhism and Confucianism. The Hung Temple, located in the province, is a UNESCO World Heritage Site and a major pilgrimage site for the Vietnamese people. The province also boasts a thriving arts and crafts scene, with traditional crafts such as pottery, weaving, and bamboo carving still practiced.

Tourism

Hung Yen attracts tourists with its natural beauty, historical sites, and cultural heritage. Visitors can explore the picturesque rice paddies, hike through the national park, and visit the Hung Temple. The province also offers a range of activities such as boating, fishing, and cycling.

In addition, Hung Yen is home to several traditional festivals, including the Mid-Autumn Festival, the Boat Racing Festival, and the Phu Dong Festival. These festivals provide a glimpse into the vibrant culture of Hung Yen and offer a chance to experience traditional Vietnamese music, dance, and cuisine.

Seasonal Variations and Diurnal Patterns

Humidity in Hung Yen, Vietnam exhibits distinct seasonal variations and diurnal patterns. During the dry season, from November to April, relative humidity typically ranges from 60% to 80%. However, it can drop significantly during the cold months of December and January, reaching as low as 40%. In contrast, the wet season, from May to October, brings higher humidity levels. Relative humidity often exceeds 80% and can reach up to 95% during heavy rainfall.

The diurnal variation of humidity is also pronounced. In the morning, humidity levels are generally high, often above 80%. As the day progresses and the temperature rises, humidity decreases. By midday, relative humidity typically ranges from 60% to 75%. In the evening, as the temperature cools again, humidity levels increase once more, reaching a peak in the early morning hours.

Causes of High Humidity

The high humidity in Hung Yen, Vietnam, particularly during the wet season, can be attributed to several factors. Firstly, the city is located in a region with a tropical climate, which is characterized by warm temperatures and abundant rainfall. Secondly, Hung Yen is situated in the vicinity of the Red River Delta, which provides a steady source of moisture. Additionally, the city is surrounded by agricultural areas, which also contribute to increased air moisture through evapotranspiration.

Wind Patterns

Hung Yen, Vietnam experiences a complex wind regime influenced by local topography and regional atmospheric circulation. During the northeast monsoon season (October-April), strong and cold northerly winds prevail, bringing dry and cool weather. These winds can reach speeds of up to 35 kilometers per hour (22 miles per hour). In contrast, the southwest monsoon season (May-September) is characterized by warm and humid southerly winds, which can bring heavy rainfall. The transitional periods between these seasons (April-May and September-October) often experience variable and unpredictable winds.

Impact on Local Climate

The prevailing wind patterns in Hung Yen have a significant impact on the local climate. The northerly winds during the northeast monsoon season can bring dramatic temperature drops, particularly in the winter months. The strong winds can also create dust and wind chill, making outdoor activities less comfortable. The southerly winds during the southwest monsoon season bring warm and humid air, which can contribute to oppressive heat and humidity, particularly in the summer months. The variable winds during the transitional periods can result in unpredictable weather conditions, with sudden shifts in temperature and humidity being common.

Spring (March – May)

Spring in Hung Yen offers a delightful tapestry of colors and aromas. The air is filled with the sweet fragrance of blooming flowers, transforming the landscape into a vibrant masterpiece. Temperatures range from 18°C to 28°C, providing ideal conditions for outdoor activities. Days are long and sunny, with ample opportunities to explore the province’s natural beauty, from its lush rice paddies to its pristine lakes.

Autumn (September – November)

Autumn heralds the arrival of cooler temperatures, ranging from 22°C to 29°C. This transition brings a warm glow to the countryside as the leaves turn golden hues. The humidity drops significantly, creating a pleasant atmosphere for exploring the province’s historical sites and cultural attractions. Autumn is also a prime time for harvesting, offering visitors a glimpse into the agricultural traditions of Hung Yen.

Potential and Development

Hung Yen, located in the northern region of Vietnam, holds significant potential for solar energy exploitation. The province receives abundant sunshine throughout the year and has vast open spaces suitable for solar farms. With the growing demand for renewable energy and government incentives, solar energy development has been gaining momentum in Hung Yen. Several solar projects are currently operational or under construction, including the 49 MW Phu Ly solar farm, the largest in the province. The province aims to continue expanding solar capacity to meet its renewable energy targets and contribute to the national energy mix.

Challenges and Outlook

Despite the potential, Hung Yen also faces challenges in solar energy development. One primary concern is the lack of dedicated infrastructure, such as transmission lines, to connect solar farms to the grid. Limited land availability is another challenge, as the province is densely populated and has limited suitable land for large-scale solar installations. Moreover, the intermittent nature of solar power poses grid stability issues, requiring careful integration with other energy sources and energy storage systems. Addressing these challenges through improved infrastructure planning, land use optimization, and advanced grid management strategies will be crucial for unlocking the full potential of solar energy in Hung Yen. Despite these challenges, the province remains committed to developing solar energy as a key pillar of its sustainable energy future.

Hills and Mountains:

Hung Yen’s topography is characterized by rolling hills and a few isolated mountains. The most prominent hill is Doi Trai Son, located in the district of Khoai Chau. With an elevation of 39 meters (128 feet), it offers panoramic views of the surrounding countryside. Other notable hills include Doi Cam Khe, Doi Ngan, and Doi Mo. The mountains in Hung Yen are mostly found along the border with neighboring Ha Nam province and include Nui Pheo and Nui Van Dien. These peaks provide habitat for diverse flora and fauna and contribute to the overall scenic beauty of the region.

Lowlands and Plains:

The lowlands and plains of Hung Yen cover a significant portion of the province’s territory. The Red River flows along the southern boundary, creating fertile floodplains that support agriculture. The lowlands are characterized by a flat topography with numerous canals and tributaries that provide irrigation and transportation. These areas are densely populated and home to the majority of the province’s residents. The most prominent lowland region is the Hung Yen Delta, which is formed by the convergence of the Red River and the Luoc River. This fertile delta is known for its rice cultivation and aquaculture, contributing to the economic prosperity of the province.

Noi Bai International Airport

Noi Bai International Airport (HAN) is the nearest airport to Hung Yen, Vietnam. Located approximately 40 kilometers northeast of the city, it is the primary gateway for both domestic and international travelers to the region. The airport features two terminals, Terminal 1 and Terminal 2, and handles a vast number of flights from various airlines, including Vietnam Airlines, VietJet Air, and Bamboo Airways. With its modern facilities and efficient services, Noi Bai International Airport provides a convenient and accessible transportation hub for travelers visiting Hung Yen and the surrounding areas.

Additional Airports

While Noi Bai International Airport is the closest airport to Hung Yen, there are other airports that may offer alternative options for travelers. Cat Bi International Airport (HPH) in Haiphong, approximately 80 kilometers from Hung Yen, provides domestic flights within Vietnam. Additionally, Van Don International Airport (VDO) in Quang Ninh, located approximately 120 kilometers from Hung Yen, offers international flights to destinations in China, South Korea, and Taiwan. However, it is important to note that these airports may have limited flight options and may require additional travel time to reach Hung Yen.

History and Culture

Hung Yen, a province in the northern region of Vietnam, holds a significant place in the country’s history and culture. Often referred to as the “Cradle of Vietnamese Civilization,” it is believed to have been the birthplace of the legendary Hung Kings, who are considered the founders of the Vietnamese nation. Hung Yen boasts numerous ancient temples and historical sites, such as the Phi Minh Pagoda and the Hung Temple, which draw visitors from far and wide. The province’s rich cultural heritage is also evident in its traditional festivals, arts, and crafts, including the Hung King Temple Festival, the Quan Ho Bac Ninh Folk Singing, and the pottery village of Phu Lang.

Economic Development

In recent years, Hung Yen has emerged as a hub of economic activity, particularly in the industrial and agricultural sectors. The province is home to several large industrial parks that attract both domestic and foreign investment. Key industries include electronics, automobiles, food processing, and textiles. Agriculture remains a vital part of the local economy, with the province being a major producer of rice, fruits, and vegetables. Hung Yen’s strategic location near Hanoi and Haiphong makes it an attractive destination for businesses seeking to tap into the growing Vietnamese market. The province’s investment climate has improved significantly in recent years, thanks to initiatives aimed at streamlining business registration and providing support to entrepreneurs.