Helong Climate & Monthly Temperature Overview – China

Summer

Helong’s summer season, spanning from June to August, is characterized by warm temperatures and abundant rainfall. The average temperature during this period ranges between 18°C (64°F) and 26°C (79°F), with July being the warmest month, averaging 26°C (79°F). While summer brings plenty of sunshine, it also witnesses occasional thunderstorms and showers, contributing to the city’s significant annual rainfall.

Autumn and Spring

Helong’s autumn and spring seasons, falling from September to November and March to May respectively, experience moderate temperatures and varying precipitation patterns. In autumn, temperatures gradually decline from 16°C (61°F) in September to 5°C (41°F) in November, showcasing a vibrant display of autumn foliage. Spring, on the other hand, greets with temperatures rising from 1°C (34°F) in March to 15°C (59°F) in May, signaling the arrival of warmer days. While rainfall is generally lower during these seasons, occasional showers are still possible.

Monthly Average Temperatures

Helong, China experiences significant seasonal variations in temperature. The warmest months are July and August, with average temperatures ranging from 24°C to 26°C (75°F to 79°F). The coldest months are December and January, with average temperatures dropping to -20°C to -16°C (-4°F to 3°F). Spring and autumn are characterized by moderate temperatures, averaging around 10°C to 15°C (50°F to 59°F) in April and October, respectively.

Annual Temperature Trends

Over the past decade, Helong has experienced a gradual increase in average temperatures. The city’s annual mean temperature has risen from -3.3°C (-28°F) in 2010 to -2.8°C (-19°F) in 2021. This warming trend has been attributed to a combination of global climate change and local factors, such as urbanization and changes in land use. The warmer temperatures have had a noticeable impact on the local ecosystem, with earlier spring thaws and longer growing seasons.

Formation and Types of Clouds in Helong

Helong, located in northeastern China, is known for its diverse cloud formations. The region’s unique topography and climate contribute to the development of various cloud types. High altitudes, ample moisture from the Yellow Sea, and seasonal changes play a significant role in cloud formation. During autumn and winter, cold fronts from Siberia bring abundant moisture, while summer months witness frequent rainfall and thunderstorm activity. The resulting updrafts and downdrafts generate a range of clouds, including cumulus, stratus, and cirrus.

Impact on Weather and Climate

Clouds in Helong have a profound impact on the local weather and climate. Cumulus clouds, often associated with fair skies, bring occasional showers or thunderstorms during the summer months. Stratus clouds, on the other hand, cover the sky and typically produce drizzle or light rain. Cirrus clouds, made up of ice crystals, are high-altitude clouds that indicate fair weather and stable atmospheric conditions. The presence of different cloud types affects temperature, precipitation patterns, and visibility. Additionally, clouds play a crucial role in the global water cycle, contributing to the formation of rain, snow, and hail.

Monthly Precipitation in Helong, China

Helong, China, experiences a significant variation in precipitation throughout the year. The city receives the highest amount of rainfall during the summer months (June-August), with average monthly precipitation exceeding 100 mm. During this period, the monsoon winds bring in a copious amount of moisture from the Pacific Ocean, resulting in frequent and often heavy rainfall. In contrast, the winter months (November-February) are considerably drier, with average monthly precipitation dropping below 20 mm. During these months, the region experiences cold and dry weather due to the influence of the Siberian high-pressure system.

Annual Precipitation and its Distribution

On an annual basis, Helong receives an average precipitation of approximately 630 mm. This amount of precipitation is evenly distributed throughout the year, with no distinct wet or dry season. However, monthly precipitation can vary considerably from year to year, with some years experiencing periods of drought or excessive rainfall. The distribution of precipitation within Helong is also influenced by the topography of the region. The mountainous areas of the city receive higher precipitation than the lowland areas, due to the orographic effect. Rain shadows occur on the leeward side of these mountains, resulting in drier conditions.

Monthly Rainfall Distribution in Helong

Helong, located in China’s northeast, experiences a distinct pattern of monthly rainfall distribution. The region receives the highest precipitation during the summer months of July and August, with an average rainfall of over 200 millimeters each month. This abundant rainfall is attributed to the influence of the East Asian monsoon, which brings warm, moist air from the Pacific Ocean and results in frequent and intense rainfall events during the summer.

In contrast to the wet summer months, Helong experiences relatively dry winter conditions. From November to March, the average monthly rainfall drops below 20 millimeters. This reduction is due to the prevailing cold and dry continental air masses that dominate the region during the winter months, resulting in sparse precipitation. The driest month in Helong is typically January, with an average rainfall of only 5 millimeters.

Causes of Heavy Snowfall in Helong

The exceptionally heavy snowfall in Helong, China, can be attributed to several meteorological factors. A cold front from Siberia brought frigid temperatures, while moist air from the Yellow Sea met the cold air, creating a perfect storm for heavy precipitation. Additionally, the mountainous terrain of the region amplified the snowfall, as the rising air cooled and condensed. The combination of these factors resulted in a significant snowpack that caused widespread disruptions.

Impacts of the Snowfall

The heavy snowfall in Helong had severe consequences for the community. Transportation was brought to a standstill, with roads becoming impassable and flights being canceled. The weight of the snow caused buildings to collapse, resulting in damage to infrastructure and disruption of utilities. The cold temperatures and limited access to resources posed significant challenges to residents, leading to health risks and a shortage of essential supplies. Economic activities were also severely impacted, as businesses were forced to close and transportation routes were disrupted.

Sun’s Altitude and Azimuth in Helong, China

The Sun’s altitude and azimuth in Helong, a city in Heilongjiang province, China, vary throughout the year due to the Earth’s tilt and its orbit around the Sun. The Sun’s altitude is the angle between the horizon and the Sun’s center, while the azimuth is the angle between true north and the direction of the Sun.

During the summer solstice in June, the Sun reaches its highest altitude in the sky over Helong, with an altitude of approximately 64 degrees. The Sun’s azimuth at this time is around 115 degrees, indicating that it is in the northeast sky. In contrast, during the winter solstice in December, the Sun reaches its lowest altitude, around 20 degrees, and its azimuth is approximately 245 degrees, indicating that it is in the southeast sky.

Sunrise and Sunset Times in Helong, China

The timing of sunrise and sunset in Helong, China, varies throughout the year due to the Earth’s axial tilt and the elliptical nature of its orbit around the Sun. During the summer months, Helong experiences longer days due to the Sun’s higher altitude in the sky. Sunrise typically occurs around 4:30 AM during this period, and sunset around 8:30 PM.

In contrast, during the winter months, Helong experiences shorter days due to the Sun’s lower altitude. Sunrise typically occurs around 7:30 AM during this period, and sunset around 4:30 PM. The shortest day of the year in Helong is the winter solstice in December, when the Sun rises at around 8:00 AM and sets at around 3:30 PM.

Celestial Marvel in Helong

Helong, an idyllic city in China’s Heilongjiang province, holds a captivating celestial secret—a stunning moon that illuminates the night sky with unparalleled beauty and wonder. The moon, renowned for its prominent size and ethereal glow, has become a beacon of celestial brilliance, drawing the admiration of stargazers and nature enthusiasts alike. As the night falls, the moon ascends above the horizon, casting a silver glow that transforms Helong into a surreal realm of enchantment.

Lunar Folklore and Cultural Significance

The moon in Helong has woven itself deeply into the fabric of local folklore and cultural traditions. Legends abound, each one narrating a different origin and purpose of the celestial orb. One tale speaks of a benevolent deity who created the moon to guide lost souls through the darkness. In another legend, the moon is said to be a portal between the mortal realm and the heavens, allowing ancestors to communicate with their descendants. The cultural significance of the moon is evident in the numerous festivals and ceremonies that pay homage to its celestial presence. During the Mid-Autumn Festival, families gather beneath its gentle glow to share mooncakes and celebrate the reunion of loved ones.

Annual Humidity Patterns in Helong

Helong, located in northeastern China, experiences distinct seasonal variations in humidity. During the winter months (November to April), the air is generally dry, with relative humidity levels typically ranging between 40% to 60%. This dryness is attributed to the cold temperatures and lack of precipitation during this period.

In the summer months (May to October), humidity levels surge significantly. Warm temperatures and increased rainfall contribute to a more humid environment, with relative humidity often exceeding 80%. July and August are typically the most humid months, with relative humidity values frequently approaching 90%.

Factors Influencing Humidity in Helong

The humidity levels in Helong are primarily influenced by three major factors:

  1. Climate: Helong’s humid subtropical climate is characterized by warm, wet summers and cold, dry winters. This seasonal pattern is the primary driver of humidity variations throughout the year.

  2. Geography: Helong’s proximity to the Sea of Japan contributes to higher humidity levels, particularly during the summer months when prevailing winds carry moisture from the ocean inland.

  3. Human Activities: Agriculture, industry, and other human activities can release water vapor into the atmosphere, further contributing to increased humidity levels in the area.

Wind Characteristics

Helong, China, is renowned for its strong and persistent wind. The area is situated in a narrow valley between two mountain ranges, which funnels the prevailing northeasterly winds. The topography creates a Venturi effect, accelerating the wind as it passes through the valley. The strong winds have a significant impact on the local environment, influencing vegetation growth, soil erosion, and human activities.

Wind’s Impact on Environment and Human Activities

The relentless winds have shaped the landscape of Helong. Trees and shrubs are stunted and windblown, while wind erosion has created unique formations in the soil. The high winds also affect farming practices and daily life. Farmers have adapted their techniques to minimize wind damage to crops, while residents must contend with the challenges of windy conditions in their daily routines. However, the wind also provides opportunities for renewable energy generation, as Helong has a number of wind farms harnessing its strong winds for power production.

Spring (April-May): Helong awakens from winter’s slumber during spring, with vibrant hues of pink and white cherry blossoms adorning the city. The average temperature ranges from 15°C to 25°C, making it an ideal time for leisurely strolls and outdoor activities. Spring is also the perfect season to explore the natural beauty of Helong, as the lush green hills and blooming flowers create a picturesque backdrop. Visitors can enjoy hiking, biking, and picnicking in the scenic surroundings.

Summer (June-August): Summer in Helong is characterized by warm and sunny days, with average temperatures hovering around 27°C-30°C. The summer months offer ample opportunities for water-based activities, as the city boasts several beautiful lakes and rivers. Swimming, kayaking, and fishing are popular pastimes during this season. Additionally, summer is an excellent time to visit the bustling Helong Night Market, where vendors offer a tempting array of local delicacies and souvenirs.

Current Status of Solar Energy in Helong

Helong, a city in Jilin Province, China, is actively embracing solar energy as a clean and sustainable energy source. The city has established numerous solar photovoltaic (PV) projects to harness the abundant solar radiation received in the region. These projects range in scale from small-scale rooftop installations to large-scale solar farms. Additionally, Helong has implemented policies to encourage the adoption of solar energy by providing incentives to businesses and individuals. As a result, the city has seen a rapid increase in the deployment of solar PV systems in recent years.

Benefits and Potential of Solar Energy

Solar energy offers numerous advantages for Helong. First and foremost, it is a renewable energy source, which means that it can be harnessed indefinitely without depleting natural resources. Secondly, solar energy is clean and emission-free, contributing to the city’s environmental goals. Furthermore, solar PV systems have low maintenance costs and can provide energy savings for businesses and households. The potential for solar energy in Helong is significant, as the city receives ample sunlight throughout the year. By leveraging this resource, Helong can reduce its reliance on fossil fuels, mitigate air pollution, and contribute to a sustainable energy future.

Topography in Helong, China

Helong, a county within Yanbian Korean Autonomous Prefecture in northeast China’s Jilin Province, boasts a diverse and captivating topography. Its landscape is predominantly mountainous, with the majestic Changbai Mountains and the vast Muling Forest Region dominating the northwestern and southeastern portions, respectively. The Changbai Mountains, an extension of the Greater Khingan Range, are a renowned natural wonder known for their rugged peaks, pristine forests, and volcanic origins. The highest peak in the region, Mount Paektu, rises an impressive 2,744 meters above sea level and forms the border between China and North Korea.

In sharp contrast to the rugged highlands, the southeast of Helong is characterized by the flat, expansive plains of the Muling Forest Region. This sprawling landscape is home to a dense network of rivers, including the Muling River, which meanders through the region before emptying into the Sea of Japan. The fertile soils and ample water resources support diverse ecosystems, ranging from lush forests to grassy meadows. Along the eastern boundary of Helong, the topography transitions into the rolling hills and gentle slopes of the Zhangguangcai Mountains, which provide a scenic backdrop to the region’s rural settlements and agricultural areas. The interplay of these distinct topographic features creates a visually stunning and ecologically rich tapestry that defines the landscape of Helong.

Yanji Chaoyangchuan International Airport

Yanji Chaoyangchuan International Airport (YNJ) is the nearest airport to Helong, China. It is located approximately 45 kilometers (28 miles) southwest of the city center. The airport is a regional hub for China Eastern Airlines and Shandong Airlines, and offers flights to destinations within China, as well as to South Korea and Japan. Passengers can take a taxi or bus from the airport to Helong, with the journey taking around 1 hour.

Other Nearby Airports

In addition to Yanji Chaoyangchuan International Airport, there are several other airports within a reasonable distance of Helong. These include:

  • Mudanjiang Hailang International Airport (MDG): Located approximately 100 kilometers (62 miles) northwest of Helong.
  • Dunhua Airport (DNH): Located approximately 120 kilometers (75 miles) northwest of Helong.
  • Tumen Airport (TUN): Located approximately 150 kilometers (93 miles) east of Helong.

However, it is important to note that these airports offer limited flight options compared to Yanji Chaoyangchuan International Airport. Passengers may need to connect through one of these airports to reach their final destination.

History and Culture

Helong, a city in Jilin Province, China, boasts a rich history spanning centuries. Its strategic location on the Yalu River has played a crucial role in its development. The city was established during the Qing Dynasty and served as an important trading center, connecting China with Korea. Helong also witnessed significant events during the Sino-Japanese War and the Korean War, leaving a lasting impact on its cultural heritage. The city’s museums and historical sites, such as the Helong City Museum and the Yalu River Memorial, showcase the region’s fascinating past and its contributions to Chinese history.

Geography and Economy

Helong is situated in the eastern part of Jilin Province, bordering North Korea. The city encompasses an area of over 2,000 square kilometers and is characterized by diverse landscapes, including mountains, rivers, and forests. The Yalu River forms the city’s natural boundary with North Korea and provides a vital source of water and energy. Helong’s economy is primarily driven by agriculture, forestry, and tourism. The city is renowned for its production of soybeans, rice, and tobacco. It also has a growing tourism industry, attracting visitors with its scenic landscapes, historical landmarks, and border town atmosphere.