Sumida Climate & Monthly Temperature Overview – Japan

Summer (June – August)

Sumida experiences hot and humid summers with average temperatures ranging from 25 to 30 degrees Celsius (77 to 86 degrees Fahrenheit). The humidity levels are often high, making it feel even hotter. July and August are the warmest months, with average temperatures reaching around 30 degrees Celsius (86 degrees Fahrenheit). Occasional thunderstorms and heavy rainfall can occur during this time.

Winter (December – February)

Winters in Sumida are relatively mild, with average temperatures ranging from 5 to 10 degrees Celsius (41 to 50 degrees Fahrenheit). Cold fronts from Siberia can bring occasional snowfall, but it typically does not accumulate. The humidity levels are generally lower than in summer, making it feel less cold. January is the coldest month, with average temperatures around 5 degrees Celsius (41 degrees Fahrenheit).

Average Temperature in Spring and Summer

Sumida, located in Tokyo, Japan, experiences distinct seasonal temperature variations. In the spring (March to May), the average temperature rises gradually from around 10°C (50°F) in March to a comfortable 20°C (68°F) by May. The humidity levels are moderate, making it a pleasant time to visit. As summer approaches (June to August), the temperatures continue to increase, reaching an average high of 30°C (86°F) in August. The humidity also rises, making it feel even hotter. The nights during summer are warm, averaging around 25°C (77°F).

Autumn and Winter Temperatures

When autumn arrives (September to November), the temperatures start to cool down. September and October are still relatively warm, with average temperatures ranging from 15°C (59°F) to 20°C (68°F). However, by November, the temperature drops to around 10°C (50°F). During the winter months (December to February), the average temperature remains low, between 5°C (41°F) and 10°C (50°F). The coldest month is January, with an average temperature of 5°C (41°F). Snowfall is rare in Sumida, but it can occasionally occur during the coldest months.

Clouds in Sumida, Japan

Sumida, a bustling area in Tokyo, Japan, is known for its iconic cityscape adorned with towering skyscrapers and the intricate network of waterways that flow through it. However, beyond the concrete jungle, Sumida also offers a captivating spectacle in the form of its clouds.

The unique meteorological conditions in Sumida create a perfect setting for cloud formations. The presence of the nearby Sumida River and the surrounding greenery contributes to the formation of moisture-rich air, which, when it rises due to solar heating, condenses and forms clouds. The abundance of tall buildings in the area further enhances the cloud formations, providing a canvas for the intricate patterns and shapes that adorn the sky.

Seasonal Precipitation Patterns

Sumida, Japan experiences distinct seasonal precipitation patterns, influenced by the East Asian monsoon. Summer months (June to August) are characterized by high humidity and abundant rainfall, primarily due to the influence of the warm and moist Pacific air masses. This season accounts for approximately 50% of the annual precipitation, often resulting in heavy downpours and occasional typhoons. In contrast, winters (December to February) are generally drier, with reduced precipitation and a shift towards snowfall events. Spring and autumn witness a more moderate precipitation regime, with a gradual transition between the wet and dry seasons.

Long-Term Trends and Variability

Over the past few decades, Sumida has exhibited significant interannual variability in precipitation, influenced by both natural climate cycles and anthropogenic factors. Long-term records indicate a gradual increase in annual precipitation, particularly during the summer months. This trend is attributed to rising global temperatures and associated changes in atmospheric circulation patterns. However, the city also experiences periodic droughts and extreme rainfall events, highlighting the importance of water management and adaptation strategies to mitigate the impacts of climate variability and change.

Rainfall Patterns

Sumida, located in the Greater Tokyo Area of Japan, experiences a humid subtropical climate characterized by distinct rainfall patterns throughout the year. The region faces a rainy season from June to July, where frequent downpours and thunderstorms dominate. During this period, rainfall can be heavy and persistent, contributing significantly to the city’s annual precipitation. Notably, Sumida also receives a significant amount of snowfall during the winter months, typically from December to February, creating a unique seasonal contrast in the city’s precipitation patterns.

Annual Precipitation and Distribution

Sumida receives abundant rainfall throughout the year, with annual precipitation averaging around 1,500 millimeters (59 inches). The city’s rainfall is not evenly distributed throughout the year, with the rainy season and the winter months receiving the highest amounts. The summer months, from June to August, witness the highest average monthly rainfall, ranging from 150 to 250 millimeters (5.9 to 9.8 inches). In contrast, the winter months, from December to February, experience lower rainfall, averaging around 50 to 75 millimeters (2 to 3 inches) per month.

Snowfall in Sumida, Japan

Sumida, a ward located in Tokyo, Japan, experiences snowfall during the winter months. The snowfall typically occurs between December and March, and the average snowfall for the season is around 5 centimeters. However, there have been years when the snowfall has been much heavier. For example, in 2014, Sumida received over 20 centimeters of snow, which caused significant disruption to transportation and businesses.

The snowfall in Sumida can have a significant impact on the daily lives of residents. When the snow is heavy, it can make it difficult to travel around the ward, as roads and sidewalks can become slippery and hazardous. Additionally, the snow can damage buildings and infrastructure, and it can also lead to power outages. However, the snowfall can also be a beautiful sight, and it can provide opportunities for residents to enjoy winter activities such as skiing and snowboarding.

Sunrise in Sumida, Japan

The Sumida River in Tokyo, Japan, offers a breathtaking view of the rising sun. As the sky transforms from darkness to shades of pink, orange, and yellow, the iconic structures lining the river, such as Tokyo Skytree and Asahi Beer Hall, are illuminated by the warm glow. The reflection of the buildings and bridges on the shimmering water creates a captivating scene that reflects the vibrant beauty of the city. The morning sun casts a golden light across the Sumida River, illuminating the intricate details of the bridges, temples, and skyscrapers that adorn its banks. The gentle lapping of the water against the riverbanks provides a serene backdrop to the stunning visual display, creating a tranquil atmosphere that invites contemplation and awe.

Sunset in Sumida, Japan

As the sun descends over Sumida, the sky erupts in a vibrant display of color that transforms the twilight into a captivating spectacle. The buildings along the riverbank are bathed in a warm, ethereal glow, casting long shadows across the water. The reflection of the illuminated bridges and skyscrapers on the river’s surface creates an enchanting scene that reflects the city’s dynamic energy. The colors of the sunset dance upon the water, creating a breathtaking display that seems to merge with the city’s electric atmosphere. The setting sun casts an orange hue across the river, illuminating the intricate details of the bridges and temples that line its banks. The gentle lapping of the water against the riverbanks provides a soothing backdrop to the stunning visual display, creating a tranquil atmosphere that invites reflection and appreciation for the beauty of the moment.

Moon Viewing in Sumida, Japan

Sumida, a district in Tokyo, Japan, is renowned for its breathtaking views of the full moon over the Sumida River. The tradition of moon viewing, known as Tsukimi, has been observed for centuries in Japan and holds a special significance in Sumida. During autumn, the riverbank becomes a spectacle of vibrant colors as the full moon casts an ethereal glow upon the surrounding cityscape.

As the sun sets, crowds gather along the riverfront, eager to witness the celestial spectacle. The air fills with a sense of anticipation as the moon slowly rises above the horizon, casting a shimmering reflection upon the calm waters. The iconic Tokyo Skytree serves as a backdrop, its towering height enhancing the grandeur of the moment. People set up picnic mats and share traditional delicacies such as tsukimi dango (moon-shaped rice dumplings) and sake (Japanese rice wine) while reveling in the beauty of the night sky.

Humidity in Sumida, Japan

Sumida, a special ward located in central Tokyo, Japan, experiences moderate humidity levels throughout the year. Humidity is a measure of the amount of water vapor present in the air and can have a significant impact on human comfort. In Sumida, the average annual humidity is around 66%, with the highest humidity levels occurring during the summer months and the lowest levels during the winter months.

During the summer months from June to August, humidity levels in Sumida can reach an average of 70% or higher. This is due to the combination of high temperatures and frequent rainfall during this time of year. The high humidity levels can lead to feelings of discomfort and heat exhaustion, especially when combined with the already warm temperatures. It is important to stay hydrated and take precautions to avoid heat-related illnesses during these humid summer months.

The Sumida River and its Gusting Winds

The Sumida River, traversing the bustling heart of Tokyo, Japan, is renowned not only for its picturesque views but also for its unpredictable and often gusty winds. These winds, known locally as “Sumidagawa-kaze,” are a defining characteristic of the riverfront area. They arise due to a combination of factors, including the river’s geographic location, topography, and Tokyo’s unique urban environment. The river cuts through a low-lying valley, surrounded by towering buildings and skyscrapers that create a “canyon” effect. When strong winds blow from the east or west, they are funneled through this narrow passage, resulting in gusts that can reach considerable speeds.

The Sumida River winds have shaped the area’s history and culture. In the past, they hindered bridge construction and posed a threat to riverside communities. However, over time, people have learned to adapt to the whims of the wind. Traditional architecture along the riverfront features wind-resistant designs, while boatmen and fishermen have developed techniques to navigate the treacherous waters. Today, the Sumidagawa-kaze is an integral part of the neighborhood’s charm, with residents embracing the cooling breezes on hot summer days and the invigorating gusts that accompany autumn storms.

Spring (March-May):

Spring is an ideal time to visit Sumida, offering a vibrant display of nature’s awakening. The cherry trees along the Sumida River burst into full bloom, creating a picturesque spectacle known as Hanami, where locals and visitors alike gather for picnics and celebrations. The moderate temperatures and clear skies provide the perfect backdrop for leisurely strolls through the parks and along the riverbanks.

Autumn (September-November):

Autumn in Sumida is characterized by the vibrant hues of changing leaves. The Ginkgo trees in Sumida Park turn a brilliant yellow, while the maple trees in Kyu-Yasuda Gardens paint the area in shades of red and orange. The crisp autumn air invites visitors to explore the temples and shrines nestled amidst the colorful foliage. The annual Sumida River Fireworks Festival takes place in mid-July, showcasing spectacular pyrotechnic displays over the river.

Current State of Solar Energy in Sumida

Sumida, a special ward in Tokyo, Japan, has made significant progress in adopting solar energy as a renewable energy source. Numerous initiatives have been implemented to promote the installation of solar photovoltaic (PV) systems on rooftops and other suitable urban areas. The ward has established an ambitious goal of generating 10% of its electricity needs from solar power by 2030. To achieve this, Sumida provides financial incentives and technical support to encourage businesses, homeowners, and community organizations to adopt solar technology.

Challenges and Opportunities

Despite its achievements, Sumida faces several challenges in its pursuit of solar energy adoption. Limited available rooftop space, shading issues due to tall buildings, and grid integration issues pose obstacles to the widespread deployment of PV systems. However, the ward recognizes these challenges as opportunities for innovation. By exploring vertical solar installations, integrating solar energy with other energy-saving measures, and collaborating with energy companies, Sumida seeks to optimize solar energy utilization and overcome existing barriers. Furthermore, the ward is actively involved in research and development projects to enhance the efficiency and cost-effectiveness of solar technologies.

Topography and Landscape of Sumida

Sumida is a district in Tokyo, Japan, situated on the eastern bank of the Sumida River, which flows into Tokyo Bay. The area is characterized by a flat and low-lying topography, with elevations typically ranging from sea level to a few meters above sea level. The low-lying nature of the area has made it susceptible to flooding throughout its history, necessitating the construction of extensive flood control systems, including embankments and drainage channels, to protect the area from inundation.

The topography of Sumida has also been shaped by the presence of the Sumida River. The river has created a natural boundary between Sumida and the rest of Tokyo, and has historically served as a major transportation route. The banks of the river are lined with parks and green spaces, offering recreational opportunities for residents and visitors alike. Additionally, the flat terrain around the river has allowed for the development of extensive commercial and residential areas, making Sumida a densely populated and vibrant district.

Haneda International Airport (HND)

Haneda International Airport, also known as Tokyo International Airport, is the nearest airport to Sumida, Japan. Located approximately 17 kilometers southeast of the Sumida district, HND is the second-busiest airport in Japan, serving both domestic and international flights. It is easily accessible by a variety of public transport options, including trains, buses, and taxis. The journey from Haneda Airport to Sumida takes around 30-45 minutes by train, depending on the route and time of day.

Other Airports

Narita International Airport (NRT) is another major international airport serving Tokyo, located approximately 75 kilometers northeast of Sumida. While further away than HND, NRT offers a wider range of international flights and is a convenient option for those arriving from overseas destinations. The journey from Narita Airport to Sumida takes around 60-90 minutes by train, depending on the route and time of day. Tokyo Heliport (TKH), located in the Koto district of Tokyo, offers limited domestic helicopter services. However, it is primarily used for emergency medical services and other essential operations, and is not generally available for commercial passenger flights.

Historical Significance

Sumida’s history spans centuries, with its origins dating back to the Edo period (1603-1868). The area was initially a major transportation hub, with the Sumida River connecting it to the sea and facilitating trade with the bustling metropolis of Edo (present-day Tokyo). During this period, Sumida became a thriving merchant town, renowned for its exquisite crafts and artistic traditions. In the 18th and 19th centuries, the area experienced a cultural renaissance, melahirkan numerous renowned artists and scholars, including the ukiyo-e master Katsushika Hokusai.

Contemporary Scene

Today, Sumida remains a vibrant district where history seamlessly blends with modernity. The area is home to numerous cultural landmarks, including the Edo-Tokyo Museum, which showcases the city’s rich past, and the Tokyo Skytree, one of the tallest buildings in the world. The Sumida River continues to play a vital role in the district’s transportation network, and its picturesque waterfront is a popular spot for recreation and entertainment. Sumida is also known for its thriving arts and culture scene, with numerous galleries, theaters, and performance spaces showcasing a diverse range of traditional and contemporary works.