Shunan Climate & Monthly Temperature Overview – Japan

Spring and Summer

Spring in Shunan begins in March, bringing mild temperatures and occasional rainfall. As the season progresses, temperatures rise steadily, reaching a pleasant average of around 25°C (77°F) in May. The summer months of June, July, and August are characterized by hot and humid weather, with average temperatures hovering around 30°C (86°F). Precipitation is frequent during this time, often in the form of heavy downpours.

Autumn and Winter

Autumn arrives in September, marked by a noticeable drop in temperatures and the onset of the rainy season. October and November experience comfortable temperatures around 20°C (68°F), with occasional showers. As winter approaches, temperatures continue to decline, reaching an average of around 5°C (41°F) in January and February. Shunan receives moderate snowfall during the winter months, particularly in the mountainous areas.

Average Temperature in Shunan, Japan: A Seasonal Perspective

Shunan, located in the Yamaguchi Prefecture of Japan, experiences a temperate climate with distinct seasonal variations. The average annual temperature in Shunan hovers around 15.5 degrees Celsius (59.9 degrees Fahrenheit). However, the city’s diverse landscape, encompassing coastal areas, hilly regions, and mountain ranges, results in significant temperature variations throughout the year.

During the summer months (June to August), the average temperature in Shunan reaches its peak, climbing to approximately 27.5 degrees Celsius (81.5 degrees Fahrenheit). The combination of warm ocean breezes and the city’s proximity to the Sea of Japan create a humid and often muggy atmosphere. In contrast, the winter months (December to February) witness a significant drop in temperature, with the average hovering around 6 degrees Celsius (42.8 degrees Fahrenheit). During this time, the city occasionally experiences snowfall, particularly in the higher elevations.

History of Cloud Observations in Shunan

Shunan, Japan has a long history of cloud observations dating back to the Edo period (1603-1868). During this time, local scholars and farmers kept detailed records of cloud formations and their associated weather patterns. These observations provided valuable insights into the local climate and were used to predict weather conditions for farming and fishing. In the late 19th century, modern meteorological equipment was introduced to Shunan, allowing for more precise and comprehensive cloud observations.

Types of Clouds Observed in Shunan

Shunan is located in a temperate climate zone, which experiences a wide variety of cloud formations throughout the year. Some of the most common cloud types observed in the region include cirrus, cumulus, stratus, and nimbus clouds. Cirrus clouds are thin, wispy clouds that are composed of ice crystals. Cumulus clouds are puffy clouds that often appear in fair weather conditions. Stratus clouds are flat, gray clouds that cover the entire sky and often produce drizzle or light rain. Nimbus clouds are dark, rain-producing clouds that can range from thick and overcast to thin and patchy.

Precipitation Patterns

Shunan, Japan, experiences a temperate climate characterized by distinct seasonal precipitation patterns. During the summer months (June-August), the region receives abundant rainfall associated with the East Asian monsoon system. This intense rainfall is often accompanied by thunderstorms and occasional typhoons, which can bring heavy downpours and localized flooding.

In contrast, the winter months (December-February) are relatively dry, with precipitation primarily falling as snow. Snowfall can be significant, especially in mountainous areas, where it can accumulate to depths of several meters. During the shoulder seasons (March-May and September-November), precipitation tends to be more moderate, with a mix of rain and snow.

Seasonal Impact

The seasonal variations in precipitation have a profound impact on various aspects of life in Shunan. The summer rainfall provides ample moisture for agriculture and sustains the region’s lush vegetation. However, heavy rainfall during this period can also cause flooding, landslides, and infrastructure damage. During the winter months, snowfall can disrupt transportation and daily activities, particularly in mountainous regions. Snow accumulation also poses challenges for agriculture and tourism but supports winter sports and recreation.

The seasonal precipitation patterns also influence the local climate. The summer rainfall and humidity contribute to a warm and humid summer climate, while the winter snowfall helps to regulate temperatures during the colder months. Overall, the seasonal precipitation in Shunan is essential for the region’s water resources, agriculture, and ecosystem health, but it also presents challenges and requires careful management to mitigate potential risks.

Seasonal Variation

Shunan, Japan, experiences a humid subtropical climate, characterized by distinct seasonal precipitation patterns. During the summer months (June to August), the city receives the highest rainfall, with an average of over 200 mm of precipitation per month. This is due to the influence of the monsoon winds, which bring warm, moist air from the Pacific Ocean. In contrast, the winter months (December to February) are much drier, with an average of less than 60 mm of precipitation per month.

Annual Precipitation

Shunan’s annual precipitation is around 1,400 mm, which is distributed fairly evenly throughout the year. However, the city does experience occasional periods of heavy rainfall, particularly during the summer monsoon season. These intense downpours can lead to localized flooding and landslides. To mitigate the risks associated with heavy rainfall, the city government has implemented a number of flood control measures, including the construction of dams and reservoirs.

Snowfall Patterns

Shunan, Japan, experiences significant snowfall during the winter months. The average annual snowfall is around 2 meters (6.6 feet), with the heaviest snowfall occurring in January and February. Snowfall is heaviest at higher elevations, such as the mountains of the Chugoku region. The snowfall in Shunan is influenced by the Japan Sea side climate, which brings moist air from the Sea of Japan. This air rises over the mountains, cools, and condenses, resulting in snowfall.

Impact on the City

The heavy snowfall in Shunan can have a significant impact on the city. Road closures and traffic delays are common, and public transportation can be disrupted. Businesses and schools may also close due to the weather. The city government takes steps to mitigate the impact of the snowfall, such as clearing roads and sidewalks and providing shelter for the homeless. However, the snowfall can still cause inconvenience and disruption.

Climate Conditions

Shunan, Japan experiences a humid subtropical climate, characterized by hot, humid summers and mild winters. During the summer months (June to August), temperatures can reach highs of up to 35 degrees Celsius (95 degrees Fahrenheit) and humidity levels are consistently high. July is the hottest month of the year, with average temperatures ranging from 25 to 34 degrees Celsius (77 to 93 degrees Fahrenheit). In contrast, winters are generally mild, with average temperatures ranging from 5 to 15 degrees Celsius (41 to 59 degrees Fahrenheit). January is the coldest month, with average temperatures hovering around 8 degrees Celsius (46 degrees Fahrenheit).

Rainfall and Sunshine

Shunan receives abundant rainfall throughout the year, with an average annual precipitation of around 2,000 millimeters (79 inches). The region experiences a rainy season from June to July, during which heavy rainfall is common. August and September are also relatively wet months. The driest months are December and January, when precipitation levels are at their lowest. Despite the high rainfall, Shunan boasts over 2,000 hours of sunshine per year, indicating that clear skies and sunny weather are enjoyed during much of the year. On average, Shunan experiences around 130 clear days annually.

Temple City in the Moonlight

Under the silvery glow of the moon, Shunan, Japan, transforms into a mystical haven. The city’s iconic temples, steeped in ancient history, cast ethereal shadows against the moonlit streets. The most renowned of these, Sojoji Temple, boasts a Zen garden renowned for its serenity and contemplation. As the moonbeams illuminate the tranquil waters, visitors can lose themselves in the garden’s harmonious balance.

Further along, Toshodaiji Temple enchants with its colossal wooden pagoda. Piercing the night sky, the seven-story structure looms majestically, its intricate carvings shimmering under the moonlight. Standing beneath its towering presence, one cannot help but feel a sense of awe and wonder. The interplay of light and shadow creates an ethereal spectacle, inviting visitors to bask in the temple’s timeless beauty.

Annual Humidity in Shunan, Japan

Shunan, Japan experiences a humid subtropical climate with distinct seasons. The annual average humidity in the city ranges from 65% to 80%, varying throughout the year. The highest humidity levels occur during the summer months, reaching an average of 80% in July and August. During this time, the air becomes saturated with moisture, often leading to muggy and uncomfortable conditions.

Seasonal Variations in Humidity

The humidity levels in Shunan vary significantly depending on the season. The winter months, from December to February, typically have the lowest humidity levels, averaging around 65% to 70%. The air is generally dry and less humid during this period. As spring arrives, the humidity gradually increases, reaching an average of 75% in May and June. During the summer months, the humidity levels surge, with the rainy season in June and July further contributing to the high moisture content in the air.

Wind Climate in Shunan, Japan

Shunan is a city located in the Yamaguchi prefecture of Japan, known for its scenic coastline and mild climate. The wind climate in Shunan is characterized by a distinct seasonal variation, influenced by the East Asian monsoon system. During the winter months (December to February), strong westerly winds prevail, bringing cold and dry air from the Asian continent. The annual mean wind speed in Shunan during these months is approximately 3.5 meters per second (m/s).

In contrast, during the summer months (June to August), the wind direction shifts to the southeast, bringing warm and humid air from the Pacific Ocean. The mean wind speed during this period is typically around 2.5 m/s, providing a cooling effect on the city. The wind climate in Shunan is also influenced by the presence of the Sea of Japan, which moderates the temperature and humidity, leading to a relatively mild and temperate climate throughout the year.

Spring (March-May)

Spring is an exquisite time to visit Shunan, Japan, when the region bursts into a vibrant canvas of colors. As winter’s slumber breaks, the gentle breeze carries the sweet fragrance of blooming plum and cherry blossoms. The Iwaya River becomes a picturesque sight, adorned with rows of blossoming cherry trees, creating a breathtaking walkway known as the “Iwaya Cherry Blossom Tunnel.” Strolling along the riverbank, visitors can immerse themselves in the beauty of nature and capture picture-perfect moments. The spring temperatures are moderate, making it ideal for outdoor activities such as hiking or cycling in the surrounding lush forests and mountains.

Autumn (September-November)

Autumn in Shunan is a season of mesmerizing beauty, where the landscape transforms into a breathtaking tapestry of hues. The mountains that embrace the region begin to blush crimson and gold, as the leaves of maple, gingko, and chestnut trees shift colors. The crisp autumn air invites visitors to explore the scenic hiking trails that lead to panoramic viewpoints. From the summit of Mount Akakura, one can witness the panoramic vista of the autumn foliage carpeting the hills like a vibrant quilt. The tranquil lakes of Shunan, such as Lake Ikeda and Lake Haguro, reflect the vibrant colors, creating mirror-like images that captivate the senses. As the sun sets, the vibrant foliage casts a warm glow upon the surroundings, providing unforgettable moments of serene beauty.

Solar Power Potential

Shunan, situated on the coast of southwestern Japan, boasts a favorable location for harnessing solar energy. Its high annual solar irradiance, averaging over 4.5 kWh/m²/day, makes it an attractive site for solar photovoltaic (PV) installations. The city receives an abundance of direct sunlight throughout the year, with minimal cloud cover and aerial pollution that could impede solar generation. The relatively flat and open terrain further enhances the potential for large-scale solar farms.

Solar Energy Projects

Shunan has recognized the potential of solar energy and has embarked on several projects to promote its adoption. In 2016, the city commissioned a 2.2 MW solar PV plant, one of the largest in the region. The plant generates approximately 3 million kWh of electricity annually, meeting the needs of over 1,000 households. Additionally, numerous private companies have established solar farms in Shunan, contributing to the city’s renewable energy portfolio. The local government provides incentives and support to encourage the deployment of solar PV systems on rooftops and other suitable areas.

Mountains and Hills:

Shunan is surrounded by mountains on three sides, with the Chugoku Mountains to the west, the Nankai Mountains to the east, and the Shikoku Mountains to the south. These mountains provide stunning scenery and offer recreational opportunities such as hiking, mountain climbing, and camping. The highest point in the Shunan area is Mount Ishizuchi (1,982 meters), which is part of the Shikoku Mountains and offers panoramic views of the region. Other notable peaks include Mount Hotaka (1,588 meters) and Mount Daisen (1,729 meters).

Rivers and Lakes:

Shunan is drained by several major rivers, including the Yoshino River, the Nishiki River, and the Kamo River. These rivers provide water for irrigation, drinking, and transportation. The Yoshino River is the largest river in Shikoku and is known for its scenic beauty and whitewater rafting opportunities. There are also several lakes in the Shunan area, including Lake Biwa, Lake Shinji, and Lake Matsubara. These lakes are popular destinations for fishing, boating, and birdwatching.

Hiroshima Airport (HIJ)

Hiroshima Airport (HIJ), also known as Hiroshima Nishi Airport, is the closest airport to Shunan, Japan. It is located approximately 35 kilometers (22 miles) west of the city center and is easily accessible by car or bus. The airport offers domestic flights to destinations within Japan, including Tokyo, Osaka, Fukuoka, and Sapporo. International flights are also available to Seoul, South Korea, and Taipei, Taiwan.

Hiroshima Airport is a modern and efficient facility with a variety of amenities for passengers. These amenities include a food court, shops, and a currency exchange. The airport also has a comfortable lounge area and free Wi-Fi access. In addition, the airport is well-connected to public transportation, making it easy to reach Shunan and other surrounding areas.

History and Culture

Shunan is a city in Yamaguchi Prefecture, Japan. It was formed on April 21, 2003, from the merger of the cities of Hōfu and Kuka. Shunan has a long and rich history, dating back to the Paleolithic period. The area was once home to the Hōfu clan, who ruled the region for over 500 years. Shunan is also home to a number of historical sites, including the Hōfu Tenman-gū Shrine, which is dedicated to the god of scholarship. The city is also known for its traditional crafts, such as Hōfu pottery and Ube weaving.

Economy and Infrastructure

Shunan is a major economic center in Yamaguchi Prefecture. The city is home to a number of large corporations, including Bridgestone, Ube Industries, and Tōyō Kōatsu. Shunan is also a major port city, and its harbor is used for both commercial and industrial purposes. The city is well-connected by road and rail, and it is served by the Yamaguchi Ube Airport. Shunan is also home to a number of educational institutions, including the Ube National College of Technology and the Yamaguchi Prefectural University.